Log Message:
Changes 1.3.1:
  *) Upgraded build environment to GNU Shtool 2.0.1,
     GNU Libtool 1.5.8 and Autoconf 2.59.

Changes 1.3.0:
  *) Correctly cleanup under MM_SHMT_MMZERO in case of a shared
     memory segment creation error.
  *) Close the filedescriptor of the underlying object immediately
     after mmap(2)'ing it in case of MM_SHMT_MMPOSX, MM_SHMT_MMZERO
     and MM_SHMT_MMFILE.