Change Msg to hold a few messages
Move msg to lib/mid so other things can use it
Say what's being picked up as it is picked up
Remove a unused assingment.

Fixes #90
More detailed item status messages
Merge pull request #97 from eaburns/dev/eaburns

Remove a unused assingment.
Minor optimization
Merge pull request #98 from mccoyst/pickups

Informative messages when items are picked up
The grey sword stone hold a str-based sword
Merge pull request #101 from mccoyst/master

Minor stone behavior fix
Magic's back, baby!

Work for #55.
Throw the bubble in the direction you face
Give magic a lifetime
Have magic affect enemies

Fixes #55.
Keymap stuff for magic
Play a sound when magic hurts the enemy
Limit possible castings with MP
Also draw HP meter as percentage
Regenerate MP based on magic stats
Have zap do something