Implemented Maniacs Command 3012: GetBattleInfo

[MakoInfused]

When we use the Maniacs GetBattleInfo command with settings like these:

And we setup our event to display to a picture command like this:

We get the exact same result in EasyRPG as we do in the Maniacs Exe:

All combination of event commands were thoroughly tested with different combinations, including:

• Target Types: Actor ID, Party Member, Entire Party, Enemy, Entire Enemy.
• Information Types: Parameter Buffs, States, Elements, Others
• Also tested with variables that are outside the defined range: this seems without error in both EasyRPG and Maniacs (surprisingly)

[Ghabry]

Can you rebase the PR? (same commands as last time should work)