Merge branch 'dev' of github.com:ywangd/stash into dev

Documents updated for 0.4.1 release.

Removed pcsm.py as it is not ready for new scope of the design.

This is the first release that features an unified design of Input/Ou…

…tput UI.

Along with new features that made possible due to the use of TextView.

Version 0.3.0 is the last release that features the UI design of Split

Input/Output Areas.

Minor documentation update.