2010-11-05 - v1.4

 - Frequency calculation updated to more practical values
 - List of note lengths can now be customized for much less clutter (see 'Settings' button)
 - Main window height can be customized (see 'Settings' button)
 - Configuration is now saved to 'dtc.xml' upon exit
 - Now accepts 'frequency' as input value in addition to 'beats per minute'
 - Now accepts 'measure' as input value, based on length in msec and signature (eg. 4/4)