Grib2io-interp

Fixing a bug in setup.py where include dirs might be missing.

**Full Changelog**: https://github.com/NOAA-MDL/grib2io-interp/compare/v1.0.1...v1.0.2

What's Changed
* Updated setup.py to automatically find sp and ip libraries when install in "common" locations EricEngle-NOAA in https://github.com/NOAA-MDL/grib2io-interp/pull/6


**Full Changelog**: https://github.com/NOAA-MDL/grib2io-interp/compare/v1.0.0...v1.0.1

**Full Changelog**: https://github.com/NOAA-MDL/grib2io-interp/compare/v1.0.0rc1...v1.0.0

What's Changed
* Big update....vector interpolation support by EricEngle-NOAA in https://github.com/NOAA-MDL/grib2io-interp/pull/2

New Contributors
* EricEngle-NOAA made their first contribution in https://github.com/NOAA-MDL/grib2io-interp/pull/2

**Full Changelog**: https://github.com/NOAA-MDL/grib2io-interp/commits/v1.0.0rc1