fixing README to reflect new name of tool
Added Makefile for simple installation and uninstallation.  Use
like:

sudo make install *or*
sudo make uninstall

after a git pull/checkout
Added checks:
*  make sure container input numbers are within the range of
   containers availabel
*  if peek is used, make sure the container is running
Added ability to detect X and if X is found, launch xterms instead
of static terminal
Merge pull request #4 from scollier/fix_name

fixing README to reflect new name of tool
support range of containers, i.e. delete containers 3-5
Merge pull request #5 from aweiteka/extend

support range of containers, i.e. delete containers 3-5
refactor into classes
update Makefile and remove unnecessary she-bang lines from module files
updated readme for refactor
Merge pull request #7 from aweiteka/extend

refactor into classes
Added support to carry the command that is passed on docker run
fix typo
support short cuids but write file using full cuid
Merge pull request #8 from aweiteka/extend

fix typo
really basic listing of metadata files. updated readme
added pull feature
Merge pull request #9 from aweiteka/extend

Add list and pull features
Remove urwid
clarify 'list' help text