first run, error while writing to *.nzb file
added destructor to fileWrapper
added initializing testcases
minimal changes to gitignore
yenc working for python3 only
-) fixes in yEnc_python3
-) added yEnc testcases
adapted testcases, beautifyed _yEncode_escape
encapsulated _yenc_splitIntoLines
fixed write nzb file bug
encapsulated mangler::main::parseCmdLineOption
restore python2.7+ compatibility