More Achievements

UPDATES V 1.1.9

 - Added achievement descriptions to how to achieve them.
- Added more achievements based on coins, and spending them.
- Added missing darkness to a few areas of "Spooky Storage" map.
- Added modes to settings menu.
- Added secret sniffer setting to find secrets when near them. Unlocks after completing level 20.
- Added hint icons to credits.
- Fixed game file selection to start on the last file played, rather than the last file in the list.
- Fixed crate spawners in "Hazardous Material Mover" map.