Add dependency on lifted-base
Add logging and lifted exception handling to server
lint
Merge remote-tracking branch 'origin/master' into wip-server-functionality

Conflicts:
	lib/Retcon/Core.hs
Don't put email addresses that aren't mine in testing data
Error rather than return dummy values
Add some errors to unimplemented stubs
Merge pull request #97 from anchor/wip-server-functionality

Improve error handling and logging in server