Indentation fixes and consistency changes
Update transformations

Move decimal-sexagesimal conversion to base submodule.
Add axes conversions to convert between cartesian, cylindrical and
spherical.
And making rotation matrices.
Include tests
Add time transformations

Transformations between: UTC, Julian Date, Modified JD, GMST, LST
And conversion between decimal hours and time objects.
Move time and gpstime transformations into clock

Add gps timestamp to lst function
Add angle transformations

Transformations between notation of angles as decimal hours, degrees
and radians
Improved verbosity in geographic transformations
Add celestial transformations
Merge branch 'refactor_reconstructions' of https://github.com/HiSPARC/sapphire into refactor_reconstructions