added the shebang to the file to allow command line launch
updated the readme file
Merge branch 'feature/shell_script' into develop
added the option to specify a file name to save the list in
added the passing of the review var to the PPPlan class
assigned the review var in the __construct method
fixed a missing plural consideration
Merge branch 'feature/show_reviewing_list' into develop
Merge branch 'hotfix/adding_tasks_in_review' into develop

Conflicts:
	ppplan.php
	src/PPPlan.php
Removed prev. estimate echo
added the System class to allow for terminal interaction
added the clearMode option in the main script to allow for clear mode terminal output
Merge branch 'feature/clear_mode' into develop
Merge branch 'develop'

* develop:
  added the clearMode option in the main script to allow for clear mode terminal output
  added the System class to allow for terminal interaction
  Removed prev. estimate echo
  fixed a missing plural consideration
  assigned the review var in the __construct method
  added the passing of the review var to the PPPlan class
  added the option to specify a file name to save the list in
  updated the readme file
  added the shebang to the file to allow command line launch