README update

Author: astorfi

.gitattributes

@@ -0,0 +1,23 @@
+# Basic .gitattributes for a python repo.
+
+# Source files
+# ============
+.pxd		text diff=python
+.py 		text diff=python
+.py3 		text diff=python
+.pyw 		text diff=python
+.pyx  		text diff=python
+
+# Binary files
+# ============
+.db		binary
+.p 		binary
+.pkl 		binary
+.pyc 		binary
+.pyd		binary
+.pyo 		binary
+
+# Note: .db, .p, and .pkl files are associated
+# with the python modules ``pickle``, ``dbm.*``,
+# ``shelve``, ``marshal``, ``anydbm``, & ``bsddb``
+# (among others).