Patch v.3.0

- Added ability to Whistle with Spacebar.

- Added ability to Zoom with (+) and (-) keys.

- Added on-screen controls for camera.

- Added currency denominations (penny, nickel, dimes, dollars, diamonds, etc.)

- Fixed a bug causing max level nests to be indestructible.

- Changed how Charger's visual effects work.

- Changed message alignment to center.

- Adjusted how crystals burst currency work.

- ATM upgrades now multiplies the value of currency it collects.

- Multiplier effect from the magic buff ball now multiplies the currency output amount instead of the amount collected.

- Training Bags can be upgraded to apply map-wide buffs to creature XP gains.

- Adjusted creature level-up thresholds.

- Adult creatures change color on level up.

- Creatures who reach level 5 and beyond display their level.

- Crystals now display the last highest amount of coins they dropped.