Working for systems
working planets
last commit added stars not planets. this adds stars to the system
working database
initial parameter class
tests for parameter class
refactored the package name
Fixed Parameter bug, added it as the parameter handler, reject the nested tags in class

An issue still remains with what to do with the list tag
Merge branch 'feature/ParamAndDbClasses' into develop
getter updates (and breaking base object by delete updateparams)
Working getters, fixed update bug (last commit) and changed to use different db
Merge branch 'feature/getters' into develop
added working equation code from EASE. The code is not exoplanetcatlogue ready in its current state.
removed validation code
changed equations to use normal (R_s, R_p…) standards instead of params
implemented empty calc classes
started implementing equations
added default units
added unit additions, code checks values and adds to correct unit - untested
working code with errors, can't handle None values yet