travis: test the installed version
Makefile improvements
more Makefile improvements
fix docstrings
array2root prototype
fix setup.py
array2tree: refactor and bind returned CObj to TTree
array2tree: support appending to existing tree
array2tree: re-enable branches after array2tree with an initial tree
array2tree: fill each branch separately
array2tree: support conversion of bool fields
cython
array2tree: check type compatibility and add docstring
add array2root
array2root: unit tests
array2root: cleanup
array2root: mark as experimental
array2root: test full conversion numpy->root->numpy
split all.pxi into ROOT.pxi and root_numpy.pxi
implement slicing