* Added wrapper to use PYTHON environment variable in tests
* Added unicode comment to default test config
* Changed config objects to use locale encoding
* Changed to use byte buffers for config (re-)writing
* Added tests for unicode sensitive tools

Changed rmexp to show directory sizes and times before removal, fixed handling of quotes in getexp (needed for log and restart dirs in rmexp)

Fixed rmexp to actually be able to remove restart and log dirs; changed to check existence of dir before removing

Changed rmexp to remove working, restart, script, log, and data directories; only ask once for each directory.

* Added missing version keywords in scripts and modules
* Updated some of the header comments

* Added handling of experiment description
** Initial comment is parsed if no EXP_DESCRIPTION is set
** Description is written to script directory as README file
* Added setting of top-level settings from command line

* Changed directories to be fully configurable by default config
* Added tools for diff, printing, removal of experiment/script data