change on re_split_multi to add tolerance and use of a projection
(now it need rc_SnapPointToLine)
adding a new utility function taking  amultipoint and sewing it to
make a linestring, respecting the orde rof the points inside the multipoint.
Thin wrapper around ST_MakeLine
Changed a bit to add st_collectionextract to be safe against geometry collection
Separated the function element to topo for easier finding.
Also sloght change : added a distinct on the input, so as to get
no duplicate topogeom in ouput
removed the function elementtotopo for better access
Changed the function to improve cosmetic
added a new function to delete allt able froma  schema regardless of geometry
created a sperate file for the thin wrapper around totopogeom
cosmectic changes
adding a separate file wiht a thin wrapper around totopogeom to
block execeptions