Change version to 0.4
test version
Add adaptive grouper
Complete adaptive snowshovel grouper
Change ContinousStage period to scheduler executor service
Clean code
PhaserTest bug fixed
Upgrade version to 0.5
merged with master
Add copyright to AdaptiveSnowshovelGrouper && Update copyright
Remove unused variables
Add comment to AdaptiveSnowshoveGrouper
AdaptiveSnowshovelGrouper: Change toString() && clean code
CombiningSnowshovelGrouper: remove TODO && clean code
InitialDelayStage: Add comment
Merge pull request #4 from taegeonum/master

Bug fixed && Add adaptive grouper