Fix Python 3 bytes/str incompatibility in simplejson and postback methods#78

vnatakam merged 3 commits intomastersailthru/sailthru-python-client:masterfrom

INT-1681-fix-python3-bytes-compatibilitysailthru/sailthru-python-client:INT-1681-fix-python3-bytes-compatibilityCopy head branch name to clipboard