Merge pull request #35 from garmr/master

bunch of modifications
view::reveal() throw frame\exception\dna on template's include error
Unit tests report update
mongo_db_data_storage improvments + mongo exceptions management
removing saving files
adding MongoClient class test for mongo connection options
adding  parameter in get_connection function
create function returns mongoId now
add and _save functions throw an exception if we try to create a document with empty forced uid
add function returns mongoId now
add function uses Mongocollection insert function now
exception management improvment
mongodb_data_storage phpunit tests
introducing cookie object, moved request::are_allowed to cookie::are_accepted
introducing session object as mysfw's module
session module phpunit test class
refactoring cookie module
introduced exceptions in cookie module
introduced exceptions in session module
 fixes after review