Union support draft
Added in-memory cache
Little bit of refactoring
Improved methods order and done micro improvements
Added  option to LeanMapper\Row
Added posibility to specify SQL strategy in relationship annotation
Small improvements
Extended filter flag in annotation
Improved naming
Merge branch 'annotationsImprovement' into sqlStrategy
Merge branch 'aliasesParserImprovement' into sqlStrategy
Merge branch 'sqlStrategy' into develop
LeanMapper\Result: removed impractical obstruction in setDataEntry
Added possibility to create entity from instance of Traversable
Added possibility to pass instance of Traversable into Entity::asign
Fixed value returned by Property::getColumn when property contains relationship
Added support for m:extra flag
Merge branch 'extraFlag' into develop
Removed support for entity creation from detached LeanMapper\Row
Added initDefaults method empty definition and call from __construct