Create ProcessessionGraverobber strategy.  Untested so far.
Merge remote-tracking branch 'origin/master'
Make build again.   Fix after merge with changes in local branch.
Fix spacing of private constructors.
Fix whitespace to be consistent
Fix spacing of colon for class inheritance to be on the next line.
Fixed potential race condition in the Card constructor introduced by the merge.
Comment out incomplete strategies so far.  MAke sure CompareAgainstAllStrategies works again.