Remove AbstractConstructorInvocation because logic is in ReflectionConstructorInvocation class
Refactoring: pull up className property to the AbstractJoinpoint, do not use get_parent_class for invocation, so logic of method invocation is clear now, some cleaning
Update ReflectionConstructorInvocation to use current index property instead of internal pointer for array
Merge pull request #33 from lisachenko/refactoring

Refactoring of className property for invocations, some cleaning and improvements