Moved GsweAspectData to its own source files
Removed unneeded includes from gswe-moment.c
Fixed MoonPhaseData related errors

• Added missing include in swe-glib.h
• Fixed @include in GsweMoonPhaseData section documentation
Moved GswePlanetData to its own source files
Moved GsweAspectData to its own source files
Fixed GsweAspectData's short description
Moved GsweAntiscionData to its own source files
Moved GsweAntiscionAxisInfo to its own source files
Added section information to GsweAspectInfo
Fixed documentation link in gswe-antiscion-data.c
Moved GswePlanetInfo to its own sources
Moved GsweSignInfo to its own sources
Moved GsweHouseSystemInfo to its own sources
Moved GsweHouseData to its own sources
Fixed plural in GsweAspectInfo description