Misc Changes (See desc)

- Moved scripts back into Script folder
- Coded a powerto script (power.txt)
- Raises a given number to a given value
- Changed comments in main script slightly
- Added a /? mode for cmd
- Added a clear-env command, to clear the current environment
- Changed how the title system works to use variables instead of direct
title changing
- Changed all variables used to have the precursor "st.", to help when
cleaning up the 'data footprint' left by ST
- One of the necessary changes for DMCNet hooking, among other languages
based in Batch
- Added argument checking for the PRINT instruction (@)
- To check if what you're trying to print is valid or not
- Added debug output
- Added the ability to pull data from stacks (and automatically shift
the stack up)
- Added checking for the system-hidden register to commands that check
for valid registers
- Added more conditions to IF instructions
- Changed how number loops work
- Allowed the END value to be a register, value will automatically be
retrieved from the register