Update Test Case for Uniq, Wc, Integration
Merge branch 'master' of https://github.com/azatris/cs4218

# By dwalky (10) and Silver Taza (2)
# Via Silver Taza (2) and dwalky (1)
* 'master' of https://github.com/azatris/cs4218:
  Eclima rapport for this commit
  Not to much to change
  not used
  Added more test cases for the original 8 grep and pipe tests
  More testcases and minor changes in code
  Added a status code
  Added a negative test case for testing grep and other tools with pipe
  Mostly docs and some minor changes
  Add docs
  Some updates
  Found error in pipingtool:) big error:P
  update pipetool