Merge pull request #84 from clintbellanger/master

merge from main project
Merge pull request #89 from clintbellanger/master

merge from main project
Merge pull request #93 from clintbellanger/master

merge from main project
Fix party heal & shield buff issue

Use the casters statblock to calculate the effect of the buff, rather
than the targets
Merge pull request #94 from clintbellanger/master

merge from main project
Fix jerky ally follow movement
Merge pull request #707 from RyanDansie/bug_fixes

Fix party buff issue
Merge pull request #713 from RyanDansie/ally_follow

Fix jerky ally follow movement