diff --git a/regtest/.gitignore b/regtest/.gitignore
index 8e32685824..3264cf4dc8 100644
--- a/regtest/.gitignore
+++ b/regtest/.gitignore
@@ -13,6 +13,7 @@
 !/drr
 !/logmfd
 !/mapping
+!/maze
 !/multicolvar
 !/python
 !/secondarystructure
diff --git a/src/.gitignore b/src/.gitignore
index a34472b98d..e83121078e 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -29,6 +29,7 @@
 !/maketools
 !/mapping
 !/manyrestraints
+!/maze
 !/molfile
 !/multicolvar
 !/python
diff --git a/src/maze/COPYRIGHT b/src/maze/COPYRIGHT
index 21ee097d14..c4a776c48f 100644
--- a/src/maze/COPYRIGHT
+++ b/src/maze/COPYRIGHT
@@ -1,17 +1,19 @@
 Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
 
+See http://www.maze-code.github.io for more information.
+
 This file is part of maze.
 
 maze is free software: you can redistribute it and/or modify it under the
-terms of the GNU General Public License as published by the Free Software
-Foundation, either version 3 of the License, or (at your option) any later
-version.
+terms of the GNU Lesser General Public License as published by the Free 
+Software Foundation, either version 3 of the License, or (at your option) 
+any later version.
 
 maze is distributed in the hope that it will be useful, but WITHOUT ANY
 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE.
 
-See the GNU General Public License for more details.
+See the GNU Lesser General Public License for more details.
 
-You should have received a copy of the GNU General Public License along with
-maze. If not, see <https://www.gnu.org/licenses/>.
+You should have received a copy of the GNU Lesser General Public License 
+along with maze. If not, see <https://www.gnu.org/licenses/>.
diff --git a/src/maze/Core.cpp b/src/maze/Core.cpp
index 67a7d04ede..be289d0a27 100644
--- a/src/maze/Core.cpp
+++ b/src/maze/Core.cpp
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Core.cpp
diff --git a/src/maze/Core.h b/src/maze/Core.h
index cd14af50b6..ffdcd4189e 100644
--- a/src/maze/Core.h
+++ b/src/maze/Core.h
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Core.h
diff --git a/src/maze/Loss.cpp b/src/maze/Loss.cpp
index b335a04ccd..7564b1c0c5 100644
--- a/src/maze/Loss.cpp
+++ b/src/maze/Loss.cpp
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Loss.cpp
diff --git a/src/maze/Loss.h b/src/maze/Loss.h
index ae599ebf5f..5a2feb0def 100644
--- a/src/maze/Loss.h
+++ b/src/maze/Loss.h
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Loss.h
diff --git a/src/maze/Member.cpp b/src/maze/Member.cpp
index 74a9b6074f..0747edd252 100644
--- a/src/maze/Member.cpp
+++ b/src/maze/Member.cpp
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Member.cpp
diff --git a/src/maze/Member.h b/src/maze/Member.h
index bd76cedfa3..52eae5e925 100644
--- a/src/maze/Member.h
+++ b/src/maze/Member.h
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Member.h
diff --git a/src/maze/Memetic.cpp b/src/maze/Memetic.cpp
index f7c4b0555f..9881e0ec33 100644
--- a/src/maze/Memetic.cpp
+++ b/src/maze/Memetic.cpp
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Memetic.cpp
diff --git a/src/maze/Memetic.h b/src/maze/Memetic.h
index df78b39e56..d59c2d4d36 100644
--- a/src/maze/Memetic.h
+++ b/src/maze/Memetic.h
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Memetic.h
diff --git a/src/maze/Optimizer.cpp b/src/maze/Optimizer.cpp
index 232b13cba3..41cb1af21c 100644
--- a/src/maze/Optimizer.cpp
+++ b/src/maze/Optimizer.cpp
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Optimizer.cpp
diff --git a/src/maze/Optimizer.h b/src/maze/Optimizer.h
index 46d690a3eb..3fcc8e36e4 100644
--- a/src/maze/Optimizer.h
+++ b/src/maze/Optimizer.h
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Optimizer.h
diff --git a/src/maze/Optimizer_Bias.cpp b/src/maze/Optimizer_Bias.cpp
index 4fa8ec63be..5a3dd2ec26 100644
--- a/src/maze/Optimizer_Bias.cpp
+++ b/src/maze/Optimizer_Bias.cpp
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Optimizer_Bias.cpp
diff --git a/src/maze/Random_Acceleration_MD.cpp b/src/maze/Random_Acceleration_MD.cpp
index 4a89ecd642..92c5803ef5 100644
--- a/src/maze/Random_Acceleration_MD.cpp
+++ b/src/maze/Random_Acceleration_MD.cpp
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Random_Acceleration_MD.cpp
diff --git a/src/maze/Random_MT.cpp b/src/maze/Random_MT.cpp
index e4479e9fc2..8769a70f66 100644
--- a/src/maze/Random_MT.cpp
+++ b/src/maze/Random_MT.cpp
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Random_MT.cpp
diff --git a/src/maze/Random_MT.h b/src/maze/Random_MT.h
index ee887683ee..c4089d2615 100644
--- a/src/maze/Random_MT.h
+++ b/src/maze/Random_MT.h
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Random_MT.h
diff --git a/src/maze/Random_Walk.cpp b/src/maze/Random_Walk.cpp
index cd7a85c02a..833d64728b 100644
--- a/src/maze/Random_Walk.cpp
+++ b/src/maze/Random_Walk.cpp
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Random_Walk.cpp
diff --git a/src/maze/Simulated_Annealing.cpp b/src/maze/Simulated_Annealing.cpp
index a3a9ee52d0..013bad6fd4 100644
--- a/src/maze/Simulated_Annealing.cpp
+++ b/src/maze/Simulated_Annealing.cpp
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Simulated_Annealing.cpp
diff --git a/src/maze/Steered_MD.cpp b/src/maze/Steered_MD.cpp
index 92a697d497..5f2630629b 100644
--- a/src/maze/Steered_MD.cpp
+++ b/src/maze/Steered_MD.cpp
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Steered_MD.cpp
diff --git a/src/maze/Tools.cpp b/src/maze/Tools.cpp
index 39fe894649..dd65cfd25e 100644
--- a/src/maze/Tools.cpp
+++ b/src/maze/Tools.cpp
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Tools.cpp
diff --git a/src/maze/Tools.h b/src/maze/Tools.h
index 131045ad3d..8f90df6f4c 100644
--- a/src/maze/Tools.h
+++ b/src/maze/Tools.h
@@ -1,24 +1,25 @@
 /*
- *
  * Copyright (c) 2019 Jakub Rydzewski (jr@fizyka.umk.pl). All rights reserved.
  *
+ * See http://www.maze-code.github.io for more information.
+ *
  * This file is part of maze.
  *
  * maze is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
+ * terms of the GNU Lesser General Public License as published by the Free 
+ * Software Foundation, either version 3 of the License, or (at your option) 
+ * any later version.
  *
  * maze is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * See the GNU General Public License for more details.
+ * See the GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * maze. If not, see <https://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with maze. If not, see <https://www.gnu.org/licenses/>.
  *
- */
+ */ 
 
 /**
  * @file Tools.h