add support for load file, including some process interaction
reset working-directory, make it buffer-local and fewer debug output
minor fix
_ and ' might occur in identifiers/names - unfortunately didn't find the magic to use 'x' as character/string, but foo' as identifier
use reload if we can
parsing of warnings and highlighting these using overlays
robustness
updates to readme
clarify sources and license
Merge pull request #2 from hannesm/master

worked on load-file... some key bindings and initial cleanup of process interaction