Merge pull request #89 from tvollstaedt/master

Boolean attributes get casted to int
Completely re-wrote the gridfs handler
Merge branch 'master' of https://github.com/Sammaye/MongoYii.git
Added more to the file handler
Spelling mistake
Took out check for hasError in populate, could make life harder
Changed doc block for class def
Ran all tests on EMongoFile
Added updated EMongoFile and added place holder for unit testing when I
figure out how best to