refactor save/load 1 (boosts)

add new Boost property: saveData
refactor Molpy.BoostsFromString to use new saveData property
reafactor save/load 2 (boosts)

refactor boostToString to use new saveData property
idNum to which

changed the variable name to better reflect data stored
and again for badge save
Merge pull request #772 from LucidCrux/refactor

Refactor Save/Load of Boosts