make fullpaths the default in error messages and stack traces for mor… (#11385)

* make fullpaths the default in error messages and stack traces for more convenient development
* split up -d:release into -d:release and -d:danger flags
* workaround a Nim config parser bug
* fixes an old nim config parser bug
* make megatest green again
* make nimpretty tests work again
* make nimsuggest green

lib/pure/collections/tableimpl.nim

@@ -149,7 +149,7 @@ template dollarImpl(): untyped {.dirty.} =
       result.addQuoted(val)
     result.add("}")
 
-template equalsImpl(s, t: typed): typed =
+template equalsImpl(s, t: typed) =
   if s.counter == t.counter:
     # different insertion orders mean different 'data' seqs, so we have
     # to use the slow route here:

lib/pure/collections/tables.nim

@@ -1252,7 +1252,7 @@ proc enlarge[A, B](t: var OrderedTable[A, B]) =
       rawInsert(t, t.data, n[h].key, n[h].val, n[h].hcode, j)
     h = nxt
 
-template forAllOrderedPairs(yieldStmt: untyped): typed {.dirty.} =
+template forAllOrderedPairs(yieldStmt: untyped) {.dirty.} =
   var h = t.first
   while h >= 0:
     var nxt = t.data[h].next