renamed ModelQuery to QueryBuilder
add sql operators
add constructors and sql statement
add nullity check
add number of not null parameters
updated JackMatchers
changed a few names
auto generation
update generated code
changed query
auto generated code
add apply method to Sql Operators
remove unused GetNbNotNullParameters
check real equality
changed Number to Comparable
started writing tests
renamed class
refactor some code
update constructors
corrected In and NotIn operators