Changes:
- added optional 'sep' parameter to config.setValue for list types
- added optional 'load' parameter to config.setFile for immediate loading
- changed config malformed line log error to warning
- allow non-strings passed to strings.boolFromString
- fixed returning default value of Config.getValue when section not found
- strip trailing newline when loading config
- use "mimetype" command as fallback to "file"
- added 'bin.trash' function for moving files to trash