Added CodeClimate. Removed white-spaces on empty lines. HTML content not given as error message.
Merge remote-tracking branch 'origin/master'
Added response-reader class to move some of the code out of the main class.
Added multipart helper to write the tempfile. Moved proxy and ssl code into own methods.
Merge pull request #7 from kaspernj/kj/code_climate_fixes

Code Climate fixes