adding tests
fixing flake8
adding init
flake 8 on test
fixing tests, imports, and flake8
handling for index
adding tests for row, index
added more robust error handling for axis
fixing test failures
cleaning up error sfor 2.7
updating travis
resolving import
fixing flake8
moved import order
Fixing to refactor and delaying implementing ray-pd inner concat
resolving ray-pd concat and from_pandas mutation
Revert "resolving ray-pd concat and from_pandas mutation"
This reverts commit 5db43e4e89e328286532f3ef98a4526575c5d08d.