Add datetime and opensesame version and codename as experiment variables.
Unbreak external runner
Update default template
Do not use keywords for `decode()` to maintain compatibility with Python < 2.7
added stub="" to default form for form_text_input item
Merge pull request #202 from lvanderlinden/playground

Added stub="" to default form for form_text_input item
Initial migration towards `osexception` Exception handling
Fix broken copy-file-to-pool functionality
Also catch exceptions during get_ready() phase
Restructuring of multiprocess runner
Merge branch 'playground' of github.com:smathot/OpenSesame into playground
Fix check for logfile writability
Fix double spacing after line wrapping (fixes #203)
Merge remote-tracking branch 'dschreij/playground' into playground
Update debian files
Move to Markdown-based help system
Fix setup script
Respect cancel in confirm-quit dialog (#205)
Bump to 2.8.0~pre4
Minor cleanup to main `opensesame` script