Merge pull request #68 from curtisdf/master

A bunch of improvements to the PHP implementation, including OO rebuild and support for file version 1
Fixes two warnings about missing function header declarations
Fixes missing newline and end warning
Merge pull request #70 from curtisdf/master

PKCS7 padding
Merge pull request #71 from steipete/master

Fixes several warnings
Fixes #72 Base64.h and Base64.m were in each others' files
Add decrypt function
Update Python version of RNCryptor (add decryption, rafactoring).
improved podspec, it should support OSX
Improved Python version of RNCryptor (performance, python3).
Merge pull request #74 from brantyoung/master

Add decrypt function for Python implemention
Update .gitignore
Merge pull request #76 from mneorr/osx

improved podspec, it should support OSX
Update .gitignore
Merge branch 'master' of git://github.com/ykalchevskiy/RNCryptor into ykalchevskiy-master

Conflicts:
	python/RNCryptor.py
Merge branch 'ykalchevskiy-master'
Remove unneeded pkcs7 package
Convert to XCTest
Minor test cleanup
Move OpenSSL tests into their own file