Crack 1.6

Add access methods to DoubleTimeSpec.

Add access methods to deal with the fact that timespec is two 64 bit integers
on Linux systems in spite of being documented as int32 and long.

Crack 1.3 release.

1.3 release.

Final changes for 1.2 release

Update files for 1.1 release.

Fix "dum-meta" option so it doesn't show up in the middle of the docu…

…mentation

on the trace option.

Changed for 0.13.1 release.

Tagging release 0.13

Tagged 0.12 release.