Added unassign role & get user permissions functionality
Remove unused cassette
Merge remote-tracking branch 'origin/master' into nperrier/pl-13093

Conflicts:
	lib/code42/api/role.rb
	spec/code42/client_spec.rb
use 4280 instead of 7280 for server port in cassette files
Remove TODO comment
Merge pull request #27 from code42/nperrier/pl-13093

Nperrier/pl 13093