Merge pull request #3 from Dnucna/modular

Creation of some French checkers
created a base list class to make it easier to check for lists, also started work on description system
moved external out to own file and added descriptions to modules
can now list checkers
was using class rather than instance variables so tidied up and made Pipal run from anywhere in the file system
New wordlist checker form external file
Roll back from French texts in French checkers
Change in the initialize of list_checker and setter added
Added the French colours wordlist