Improved Moonrise and Moonset calculations

This versions contains improved Moonrise and Moonset calculations while the whole package has been validated against reference ephemerides DE440. Example notebooks have been updated while performance notebooks have been included.

Precession corrections included

Heliocentric and geocentric estimations now by default are using the precession correction. A toggle option is available to disable this behavior.

same bug fix again - earth position

0.1.5

same bug fix again

0.1.4

Earth position bug fixed

0.1.3

What's new

add python 2.7 support

minor changes

fixed docs/conf file for documentation
minor changes in setup.py and README.md