test for read_columns with start/stop
start/stop for read_column
fixed read_coordinates with filter in selection
select_coords with start stop
fix for select_as_multiple with start/stop
test for filter with select_as_coordinates
implemented unit test for start/stop in remove
handle start/stop in remove, delete and select_coords

Conflicts:

	pandas/io/pytables.py
fixed remove foo for pytables <3
BLD: disable MySQL in requirements-2.7 as its failing the building process
API: allow the iloc indexer to run off the end and not raise IndexError (GH6296)
FIX: pytables: fixed str truncate for numpy<1.7.2

prior to numpy 1.7.2 long strings got truncated when read back from a
hdf5 file