Silently create configuration subdirs

Move config check to start function, which also parses the file
Limit frame to command module
Add support for identify-msg
Added a wiktionary definitions command
Merge pull request #24 from nslater/support-identify-msg

Add support for identify-msg
Merge pull request #21 from nslater/silently-create-conf-subdirs

Silently create configuration subdirs
Merge pull request #18 from nslater/fix-exception-line-number

Fix exception line number
Small style fixes
Fix nickname prefixed commands in light of CAP support