Simple Shell Version 0.8.5

Program is functional! (Hurrah!)

Changes in this version:
-Version number changed to reflect current version
- History bug #27 has been resolved (8 elements were required to invoke
history.)
- History bug #28 resolved (Segmentation Fault causing core dump if no
history was found)
- Aliasing now allows adding, removing, listing and invoking of alias
commands
- removed unnecessary code and commentary
- removed test arrays and other test code
- changed incrementing of history counter to improve readability.
- fixed minor spelling mistakes
- reticulated splines