added idea about how to count distance
doesn't call load inside Choice's __init__
readded pypository to the repository
removed pypository from requirements
added extra members to String
simplifies function call
removes load call inside Checker
removed unnecessary members from alphabet
removes AlphabetLexer
removes Lexer class
String ISA str
removed MongoGrammar and MongoChecker
Merge branch 'master' into distance

Conflicts:
	README
removed debuglevel
removed name property
Squashed commit of the following:

commit 84b9093cf01f6683f7b7a5451d14287a428e9839
Author: Nestor Arocha <nesaro@gmail.com>
Date:   Sat Dec 21 11:30:47 2013 +0000

    removes Config, repositories and Guess

commit ff4547a7280bbb6950cd5f9446822bd5cf3243ef
Author: Nestor Arocha <nesaro@gmail.com>
Date:   Fri Dec 20 13:24:38 2013 +0000

    removed the load from factories
increased version to 0.4.0
added Idea, fixed Encoding
added unicode
added __str__ method