added unquoting routine to connector. quotes will be removed when reading data
renamed featureconnector to ilwis3featureconnector
renames
featurecount must be set to 0 before create the new features as each new feature will up the count again
rename
Merge remote-tracking branch 'origin/master' into pythonAPI_first

Conflicts:
	ilwis3connector/coverageconnector.cpp
	ilwis3connector/ilwis3connector.cpp
fixed merge conrflict in ilwis3coverageconnector
fixed pointer handling and reorganized pythonapi::IlwisObject only handling IlwisObject-IDs

added __str__() for readable/printable object representation