Ignore h5py warnings and pin numpy (nanoporetech#6)

bump version

Merge pull request nanoporetech#5 from nanoporetech/recursive

Give iterate_fast5 recursive powers

bump version

Mux changes (nanoporetech#4)

* get_mux_changes: only return rows which change

* bump version

* fix off by one error

Ensure returned events have same dtype (nanoporetech#2)

* fast5.py: all returned event arrays same dtype by passing them through self._get_read_data()
* requirements: use any version of numpy
* bump version to 1.0.6

.travis.yml: deploy to pypi

as opposed to testpypi