Activating this trainer:
Press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey. All hotkeys can be changed on the trainer.

Promo Options:
NumPad7: Super Speed

Trainer Options:
NumPad1: Stealth Mode
NumPad2: Change Cash By 500
NumPad3: Change EXP By 50
NumPad4: Change Level By 1
NumPad5: Change Skill Points By 5
NumPad6: Unlimited Weight
NumPad7: Super Speed

Editor Options:
Misc: Cash
Misc: EXP
Misc: Level
Misc: Skill Points