Implement compute_up for pandas + Attribute
Add tests for python backend
Implement Python backend
Add millisecond
Add mongo tests
Implement mongo
Implement millisecond for pandas
Implement millisecond for python
Test for chunks
Passing open test on OS X
Attribute for chunks
Only failing on Windows
Win32 and PY2 fail
Inherit from RowWise and give a name based on the parent column and the attr
Make sure Mongo respect new naming convention
Handle python computation through rowfunc
Create a class hierarchy for attributes
Add test for tab completion
DateTime and dir implementation
Need reductions