Fix all lint issues (mainly ALL_CAPS and comments)
Merge remote-tracking branch 'upstream/master' into lint-fix

Conflicts:
	client.go
	colors.go
Removed type from declaration

(it will be inferred from the right-hand side)
Changed BannedPk to BannedPK, removed bannedIP
Merge pull request #51 from peterhellberg/lint-fix

Fix all lint issues (mainly ALL_CAPS and comments)