new tester; all tests categorized

tests/template/thygienictempl.nim

@@ -0,0 +1,18 @@
+    
+var
+  e = "abc"
+    
+raise newException(EIO, e & "ha!")
+
+template t() = echo(foo)
+
+var foo = 12
+t()
+
+
+template test_in(a, b, c: expr): bool {.immediate, dirty.} =
+  var result {.gensym.}: bool = false
+  false
+
+when isMainModule:
+  assert test_in(ret2, "test", str_val)