Release of Version 2.2.1

[Alan DeKok]

Stefan Winter wrote:
...
> ==7872== Invalid read of size 8
> ==7872==    at 0x41DEB8: modcallable_free (modcall.c:2242)

  Ouch.

> ==7872==  Address 0x2527285345554c49 is not stack'd, malloc'd or
> (recently) free'd

  Very much "ouch".  That's ASCII for %'(SEULI?

  With endian issues, the characters will swap around. Maybe '%S ... ?

  Looks like an overflow bug.

  I'm not really sure what to think about this.  The memory is getting
smashed somewhere, but valgrind isn't finding it.

  Alan DeKok.