Update setup.py to v2.7

added `kstar`, the stationary wavenumber

added information to `climate` parameter in `Anomaly()`

debug ComputeEPfluxDiv() for the case wave<0, i.e. when all waves are…

… requested and do_ubar=True

Merge pull request #5 from mjucker/v2.3.2

V2.3.2

Merge pull request #3 from mjucker/v2.3.1

bugfixing missing readme_pypi in PyPI distribution

Merge branch 'master' of https://github.com/mjucker/aostools

- Added documentation to `DefCompress()`

- Added `ComputeWaveActivityFlux()` which computes Takaya-Nakamura 3D 
wave flux.
- Simplified `dy` scaling factor for logarithmic y-axis in 
`PlotEPfluxArrows()`

Units bugfix within ComputePsi. Thanks to Tongmei Wang for pointing t…

…his out.

changing version number