Converted e_reverse to bool and added validity checks. Updated baseClasses tests. Continued conversion trash-collection::Vehicle.
Added a missing argument validity check to e_swap()
Reorganized tester.cpp to support multiple test options. Commented out some debug dumps. Tested some changes made in Vehicle.
Adding md5 hash function to baseClasses
Merge branch 'vdev' into develop
Merge branch 'sdev' into develop
Full Order Comaptibility graph