A refinement criteria that checks if a URI is requested within a specific
time frame.
The timeframe's resolution is minutes and always operates in 24h GMT. The
format is hhmm, exmaples:
1200 for noon GMT 1805 for 5 minutes past six in the afternoon GMT.
author: John Erik Halse
Create a new instance of TimespanCriteria.
Parameters: from - start of the time frame (inclusive). Parameters: to - end of the time frame (inclusive). throws: ParseException -