diff --git a/.idea/preferred-vcs.xml b/.idea/preferred-vcs.xml
new file mode 100644
index 0000000..a45e7e0
--- /dev/null
+++ b/.idea/preferred-vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="PreferredVcsStorage">
+    <preferredVcsName>Git</preferredVcsName>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/doc/Functionalities of XML Processing Modules.docx b/doc/Functionalities of XML Processing Modules.docx
new file mode 100644
index 0000000..db3110e
Binary files /dev/null and b/doc/Functionalities of XML Processing Modules.docx differ