v1.0:
  * Added --write-earlyfw, useful to support microcode
    updates during very early boot (kernel support added in
    Linux v3.9)
  * iucode_tool has implemented the most important features
    it currently needs, bump the major version number to 1.

v0.9:
  * Added -s! and --lose-date-filtering options, described in
    the iucode_tool(8) manpage.
