Prevent RAWIDSET_push_guid_glob from crashing when last_glob_idset remains uninitialized
after initial call to RAWIDSET_find_by_GUID.
Merge pull request #107 from openchange/jkerihuel/fix-RAWIDSET_push_guid_glob

Fix potential crash in RAWIDSET_push_guid_glob
4.0 is the new proposed version
Give support to update a stacktrace by retracing

Useful when you change the apport configuration.
Merge pull request #108 from sixstone-qq/ejhernandez/new-proposed-conf

 Give support to update a stacktrace by retracing
Add -Wpointer-sign to CFLAGS to ensure we don't get confused between
uint64_t and int64_t.
Merge branch 'master' into jkerihuel/mapistore-python