Working in progress
Add input/output format for bubblemergewithsearch
Add max-search-length for bubblemergewithsearch
Add test case for BMWS
Add new reasonable test case
Fix a bug in message communication
begin BFS bubble merge pass test
Using EdgeTypeList instead of ArrayList<EdgeType>
Bubble with BFS pass test
Need to use deep copy in destination vertex
Add expected file for bubblemergewithsearch
New BubbleMerge pass test
Clean up code
Add comments for bubblemergewithsearch