Log Message:
Update from version 1.48nb2 to 1.49.

Pkgsrc changes:
 o Canonicalize HOMEPAGE
 o USE_TOOLS+=perl for the tests
 o Convert to using Module::Build

Upstream changes:
1.49  Sat Mar 22 11:31:00 2008
    - Patch from JJARVINEN for RT#33299 so that an option value of
      zero overrides the default