Change logs:
model 0.2.0:
1. Improved efficiency.
model 0.1.3:
1. Fastened a minor bug.
model 0.1.2:
1. Fastened a bug the place desk prefixes together with a number of "_" (underscore) characters wouldn't change correctly.
model 0.1.1:
1. Added a repair for changing particular characters
model 0.1.0:
1. Preliminary launch
