Update Python version of RNCryptor (add decryption, rafactoring).
Improved Python version of RNCryptor (performance, python3).
Update .gitignore
Update .gitignore
Merge branch 'master' of git://github.com/ykalchevskiy/RNCryptor into ykalchevskiy-master

Conflicts:
	python/RNCryptor.py
Merge branch 'ykalchevskiy-master'