Adds idetoos testcase to verify returned signatures.

At the moment too many of them return proc.

tests/caas/its_full_of_procs.txt

@@ -0,0 +1,20 @@
+its_full_of_procs.nim
+
+> idetools --track:$TESTNIM,26,15 --def $SILENT
+skProc
+proc \(
+
+> idetools --track:$TESTNIM,27,21 --def $SILENT
+skIterator
+iterator \(
+!proc \(
+
+> idetools --track:$TESTNIM,29,0 --def $SILENT
+skMethod
+method \(
+!proc \(
+
+> idetools --track:$TESTNIM,27,15 --def $SILENT
+skTemplate
+template \(
+!proc \(