use pathname instead of expand_path to resolve symlinks
updated help files to give correct hotkeys for navigation between blocks
Merge pull request #13 from kelvingu/master

updated help files to give correct hotkeys for navigation between blocks
added overview of features up front
improved section formatting
added example of how to set lists and sets at the command line
Merge remote-tracking branch 'upstream/master'
Merge pull request #16 from kelvingu/master

Improved README