Merge tag '3.8.0' into develop

3.8.0
Add binascii to isorts built-in list of known_built_ins
Add test for issue #157
Add test for changing default section
Add setting for verbose output
Add konsole option for verbose
Add verbose output support
Add errors_only setting
Make errors only setting accessible from command line
Honor errors only flag
Make errors first class output (as there not errors in isorts functioning, and don't cause a crash, but are the expected output)
Fix conditional
Switch to using just verbose flag
Fix test to reflect new verbose flag
Merge pull request #160 from timothycrosley/feature/fix-issue-156

Feature/fix issue 156
Merge pull request #159 from timothycrosley/feature/fix-issue-157

Feature/fix issue 157
Bump version to 3.8.1
Merge branch 'release/3.8.1'