XPregel api is work in progress
Merge branch 'develop' into feature/api
Add new feature: MemoryChunk can embed class type instance on their buffer
add required files
add output method for XPregel
Merge branch 'develop' into feature/api
fix the problem on MemoryChunk
add final flag for method inlining
fix index out of bounds exception error while initializing xpregel graph
Change the behavior of MemoryChunk with class type sot that it calls default constructor while initializing
Merge branch 'feature/api' into develop