operator precedence changed: assignment like operators are supported; escaping of operators with \ is supported

tests/accept/run/tprecedence.nim

@@ -0,0 +1,11 @@
+discard """
+  output: "true"
+"""
+
+# Test the new predence rules
+
+proc `\+` (x, y: int): int = result = x + y
+proc `\*` (x, y: int): int = result = x * y
+
+echo 5 \+ 1 \* 9 == 14
+

tests/tester.nim

@@ -417,6 +417,10 @@ proc main() =
     var runRes = readResults(runJson)
     listResults(rejectRes, compileRes, runRes)
     outputJSON(rejectRes, compileRes, runRes)
+  of "dll":
+    var r = initResults()
+    runDLLTests r, p.cmdLineRest.string
+    echo r.data, r
   of "test":
     var r = initResults()
     if p.kind != cmdArgument: quit usage