added sources dir and files
added example iter for haiku
added example limerick iter
added couplet iterator
changes for naqeeb

-added couplets source file
-removed stats from limericks file
-reverted to anydbm in rhyme
added haikuer class, did some messy refactoring -_-
removed swears from mayhaiku?
removed sources from master
added debug option to haiku finder
added dict handling to haikuer
doc string for line_iter