BLD,DOC: Update requirements.txt: add ../ (from ./docs) as editable
Revert "BLD,DOC: Update requirements.txt: add ../ (from ./docs) as editable"

This reverts commit d94ff0e27177e3107d0c11c439bd2354c80a3366.
DOC: program-output:: -> command-output::
ENH,BUG,CLN: #10, #12, #13
CLN: remove _import_path_module
RLS: pyline v0.3.0
Merge branch 'release/0.3.0'

* release/0.3.0:
  RLS: pyline v0.3.0
  CLN: remove _import_path_module
  ENH,BUG,CLN: #10, #12, #13
  DOC: program-output:: -> command-output::
  Revert "BLD,DOC: Update requirements.txt: add ../ (from ./docs) as editable"
  BLD,DOC: Update requirements.txt: add ../ (from ./docs) as editable