started work to parse any GML files with solids with python
fixed parsing bug, thanks to Filip's file!
handling TEMPFOLDER done outside

now a passed param
updates
now with a main and a function to use from other python
val3dity.py to call the GML parsing (gml2poly) + val3idty
error returned when XML parsing goes bad
testing the fucking xlinks.
clinks working :)
better handling of parsing XML error
fixed parsing of inner shells
Merge branch 'gml2poly-with-xlinks'