- Fix funcsigs dependency
- Remove unused devel package dep
- Remove test bconds

- Update to version 0.9:
- Add support for registering with matplotlib’s unit handling
(gh#hgrecco/pint#317, thanks dopplershift)
- Add converters for matplotlib’s unit support.
(gh#hgrecco/pint#317, thanks Ryan May)
- Fix unwanted side effects in auto dimensionality reduction.
(gh#hgrecco/pint#516, thanks Ben Loer)
- Allow dimensionality check for non Quantity arguments.
- Make Quantity and UnitContainer objects hashable.
(gh#hgrecco/pint#286, thanks Nevada Sanchez)
- Fix unit tests errors with numpy >=1.13.
(gh#hgrecco/pint#577, thanks cpascual)
- Avoid error in in-place exponentiation with numpy > 1.11.
(gh#hgrecco/pint#577, thanks cpascual)
- fix compatible units in context. (thanks enrico)
- Added warning for unsupported ufunc. (gh#hgrecco/pint#626,
thanks kanhua)
- Improve IPython pretty printers. (gh#hgrecco/pint#590, thanks
tecki)
- Drop Support for Python 2.6, 3.0, 3.1 and 3.2.
(gh#hgrecco/pint#567)
- Prepare for deprecation announced in Python 3.7
(gh#hgrecco/pint#747, thanks Simon Willison)
- Added several new units and Systems (gh#hgrecco/pint#749,
gh#hgrecco/pint#737)
- Started experimental pandas support (gh#hgrecco/pint#746 and