#10 test initial MultiMap size
Merge branch 'master' of https://github.com/gmamaladze/FreeUni-SDP-2014-Lab-Testing
#10 test what I put in map is what I get from it
Merge branch 'master' of https://github.com/gmamaladze/FreeUni-SDP-2014-Lab-Testing
#10 test size for not empty map
#10 test that empty map is empty
#10 test that not empty map is not empty
Merge branch 'master' of https://github.com/gmamaladze/FreeUni-SDP-2014-Lab-Testing
Merge branch 'master' of https://github.com/gmamaladze/FreeUni-SDP-2014-Lab-Testing
#10 test that null  key causes exeption