first commit with basic commands
Merge branch 'master' into querywriter
implemented the count and removed the R::log
tests created for where and added to the count of all
added test to the limit
having/group missing make the test pass
missing test methods calculated
added test for methods calculated
refactored
Added methods findBySQL/execute and tabs to spaces of 4 size
refactoring of class of writer.. lack reshape the variables
reviewing refactoring
reorganizing code
linking the model in querywriter
fix test MultipleDatabasesTest