Swig/Python: Fixed pointer bug when setting signal min and max.
Swig/Python: Corrected min and max property lengths in testvector.py
Fixed bug passing lo_arg arrays for storing vector property values.
Remove unsigned changes for >= 0 (clang warning)
Add swig/copywhich.sh to the dist.
swig: Use alloca() to reserve stack variables used in typemaps.

Otherwise, swig sometimes places variables inside scopes, and
retaining pointers to these variables causes problems.
Fixed 2 bugs in handling properties with vector values e.g. link scopes
Merge remote-tracking branch 'steve/master'
Fixed segfault storing/retrieving single strings as static props e.g. units.
Change treatment of src and dest extrema in connection db, allowing proper retrieval of metadata with types.
Update Python bindings for connection db range changes.
Enable AUTOREQ_ALL in testmonitor.c