fix jobs command
Merge branch 'master' of https://github.com/srang/dshell

# By Zachary Michaelov
# Via Zachary Michaelov
* 'master' of https://github.com/srang/dshell:
  removed debug code for cd
Merge branch 'master' of https://github.com/srang/dshell

# By Sam Rang
# Via Sam Rang
* 'master' of https://github.com/srang/dshell:
  piping
Merge branch 'master' of https://github.com/srang/dshell

# By Sam Rang
# Via Sam Rang
* 'master' of https://github.com/srang/dshell:
  *
Merge branch 'master' of https://github.com/srang/dshell

# By srang (2) and Sam Rang (1)
# Via srang
* 'master' of https://github.com/srang/dshell:
  Delete parse.c
  Delete helper.c
  making pipe progress
pid code and non-functioning piping code