added sun phase class
created moon phase class
documentation
display raw astronomy data
corrected mistake on assigning age of moon
minor defensive code additions
Display light period with the rest of Astronomy data
refactor for Lukes qualms
small error log, unnecessary string allocation
Refactoring documentation to conform to HeaderDoc and Doxygen
switched all setters to dot notation
removing unnecessary nil checks
Improved gitignore
fixed warnings when using 32-bit architecture
Merge pull request #7 from tomstrassner/Astronomy_Improvements

Astronomy improvements