Python 3.x support + PEP8 Cleanup (#10)

* Converted Py2.x code to Py3.x compatible code

* Made EDF.py Py2.7+3.x compatible.

* Modified code syntax to reflect PEP-8 Guidelines

* Added documentation + independent module design.

* EDF.py is independent module.removed testedf.py.

* cleanup

* cleanup II

* only py3 support

* restructured styling. Restructured functions.

* Optimization : removed 'if' from writebyte

* Edited README

Co-authored-by: = <=>

Author: bsandeepan

.gitignore

@@ -0,0 +1,3 @@
+# Exclude these dirs
+/_pycache_/
+/.vscode/