bugfix: explicitly decode byte-string responses from json requests via UTF-8 to string

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
bugfix: put print statement into parenthesis (python3)

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
bugfix: explicitly encode strings to UTF-8 before hashing them (python3)

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
Merge pull request #29 from TelekomCloud/python3-fixes

Python3 fixes