reset relatedEps before renaming
CMD_Shows should return both TVDBID and SHOW_NAME regardless of sort order
Change providers: minidom to elementtree + check_auth

+ PEP8 clean up
+ function clean up
+ logger.log unicode
Rename omgwtfnzb variables to follow naming pattern

+ catch for empty username/apikey.
Convert old omgwtfnzb variables to new + save config after migrate

+ sync backup number with config version
PEP9 whitespace related fixes.

Still things to fix (need advise on):
W1401:  L70: Anomalous backslash in string: '\W'. String constant might be missing an r prefix. (many of these)
W0403:  L30: Relative import 'name_parser.parser', should be 'sickbeard.name_parser.parser'
Ignore *subfix* releases, example: ```Boardwalk.Empire.S03E01.SUBFIX.720p.BluRay.x264-DEMAND``` or ```True Blood S03 SUBFIX 720p BluRay X264-REWARD```
Replace BTN deprecated getTorrentsSearch with getTorrents
+ added proper initiated by: @genial123
+ minor tweaks and fixes
Merge pull request #716 from thezoggy/dev--subfix

Ignore SUBFIX releases
Merge pull request #713 from itofzo/change_and_cleanup_providers

Change and cleanup providers
Merge pull request #712 from seanstar12/development

CMD_Shows should return both TVDBID and SHOW_NAME regardless of sort order
Merge pull request #696 from itofzo/fix_renaming_multi_episodes_reset_relatedEps_dev

Fix reset relatedEps before renaming