start of tests refactoring; sqlite3 new wrapper fixes

tests/accept/run/tregex.nim

@@ -0,0 +1,19 @@
+# Test the new regular expression module
+# which is based on the PCRE library
+
+import
+  regexprs
+
+if "keyA = valueA" =~ r"\s*(\w+)\s*\=\s*(\w+)":
+  write(stdout, "key: ", matches[1])
+elif "# comment!" =~ r"\s*(\#.*)":
+  echo("comment: ", matches[1])
+else: 
+  echo("Bug!")
+
+if "Username".match("[A-Za-z]+"):
+  echo("Yes!")
+else:
+  echo("Bug!")
+
+#OUT key: keyAYes!