- Fixed sign problems with om in tasub

- Mended tasdrive to drive energy even if Q is askew
- Fixed QM values
- Fixed problems in mesure: om2th, wrong theta selection
- Fixed core dump when driving h,kl, failed

exebuf.c

@@ -129,7 +129,7 @@ static pDynString  findBlockEnd(pExeBuf self){
     return NULL;
   }
   buffer = GetCharArray(self->bufferContent);
-  if(self->end != 0){
+  if(self->end != -1){
     self->start = self->end + 1;
   }
   for(i = self->start; i < strlen(buffer); i++){
@@ -162,7 +162,7 @@ int exeBufProcess(pExeBuf self, SicsInterp *pSics,
   assert(pSics);
 
   self->start = 0;
-  self->end = 0;
+  self->end = -1;
   self->lineno = 0;
   pTcl = InterpGetTcl(pSics);