4 Most code cleanup things from gschem apply here too
6 tweak to gnetlist to add `instance-get-pins'
8 gnetlist gave the coordinates of the component it was unhappy with and
11 Put code in that deals with the opening of a schematic twice...
13 Add more regression tests
17 --------------------------------------------------------
18 OKAY separator configurable (char or string, or nothing)
20 OKAY append / prepend of tag
22 FOR DOCS no slotting on composits
23 FOR DOCS no net= attribute on composites
24 FOR DOCS hetrogenious slotting works if you have uniq pinlabels
26 DONE multiple sources for underlying schems
28 SEEMS TO WORK... many many levels of hierarchy?