modified method 'add' in CallHierarchyCacheManager
remove unnecessary components from PythonCallHierarchyTest
extract callData from frames without signature_factory and map_frame_to_calleedata
rename PyHierarchyCallInfo to PyHierarcheCallData
change api of PyHierarchyCallData class
change policy of converting PyHierarchyCallData to String and back
store callData with full qualified names
changed procedure of obtaining caller(e)s through PyDinamicCallDataManager
CallHierarchyNode contains PsiElement instead of PyFunction