Revision history for Perlilog:

0.1 -- First release (Alpha): 8 Feb 2003

0.2 -- Beta release: 10 Nov 2003
 * Added support of the 'viasource' property
 * Added support of inheritdir()
 * Fixed linebreak(), so that a final "\n" is passed through to output

0.3 -- Beta release: 11 Nov 2003
 * Added the 'equivalent' property, allowing several objects to share
   a single Verilog module (multi-instantiation)
 * Fixed namespace bug for instantiations
 * Obsoleted the 'insname' property
 * Changed addins() and suggestins() to become exactly like addvar()
   and suggestvar() (for the time being).