Fixed package structure, made guesses case insensitive
Game now recognizes if correct letter has already been guessed
Now does not remove attempts for case changes
Added label to show incorrect guesses so far
added runCLI target to build.xml, CLI interface working and cleaned up, added wrong guesses to it
Cleaned up/added javadocs
updated README
Merge pull request #10 from evanwest/master

Issues #3 - #8 addressed