started adding PE4, no Linux version of strrev so I need to make my own
Fixed PE4 with new string reversing function
Merge branches 'master' and 'addPE4'
brought in new calling scheme and applied to my PE2 to 4
modified PE1 through 4 to the new calling scheme
Updated my projects 1-4 to new calling/returning scheme
added a broken PE5.c
added PE5
added 6
added 6 functional:
Added a functional PE6
added non-functional PE8
Added PE8
Merge branches 'master' and 'add8'
Slight bracket fix
Added file PROGRESS to track progress and reference solution journal.
Added PE7.
Updated progress file
Removed unused commented code from PE7
added PE9