Merge pull request #157 from sprowell/master

Overhaul
Merge pull request #158 from sprowell/master

Fix for Debugger.eli
Merge branch 'master' of https://github.com/elision/elision
Merge branch 'loc' of https://github.com/sprowell/elision
Merge pull request #160 from sprowell/loc

Loc
Merge pull request #161 from sprowell/loc

Loc
Fixed a file name (the history file name) and made an adjustment to a test.
Merge branch 'loc' of https://github.com/sprowell/elision into loc

Conflicts:
	Elision/test/ornl/elision/parse/ProcessorTest.scala
Merge branch 'loc' of https://github.com/elision/elision into loc
First working version of saving and reloading a context - albeit not a compiled one.  The `repl` command now has a `--prior` switch to reload the prior context, and also takes a list of files to load.