Multiplication Effect & Replace Value

Special card syntax updates for the Mathematics deck.
Orphan test update

Missed a test when adding the powerup overlays.
Documentation orphan

Missed update for multiplication effect & replace value
Master Achievement & Append Description

Achievement syntax updates for the Mathematics deck.
Multiple suits for score Achievements

Allow e.g. 'Boyfriend OR Girlfriend > 200' for new Mathematics deck
Powerups update
Fix multi-code achievements
Save chosen deck past reset
Tweak line trimming
Merge pull request #43 from SariniLynn/develop

Mathematics Deck