start of tests refactoring; sqlite3 new wrapper fixes

tests/accept/run/tovfint.nim

@@ -0,0 +1,17 @@
+# this tests the new overflow literals
+
+var
+  i: int
+i = int(0xffffffff)
+when defined(cpu64):
+  if i == 4294967295:
+    write(stdout, "works!\n")
+  else:
+    write(stdout, "broken!\n")
+else:
+  if i == -1:
+    write(stdout, "works!\n")
+  else:
+    write(stdout, "broken!\n")
+
+#OUT works!