Revision history for Perl extension SWF::Header.

0.02 Thurs June 3 2004
     * stream-creation logic tweaked to work better with a 
       supplied stream
     * First enquiry to YSAS to see if he minds.

0.01 Thurs June 3 2004
     * Extracted and simplified from YSAS's SWF::Parser
     * Given simple OOP interface for one-shot or repeated use