Script tests re-added, all tests can run under gdb

Also fixed a minor bug with printing, and removed the ability to
configure the parser.

Added and updated QUICKSTART.md as a quick way to get people started.

There's some broken scripts under 'scripts/' that require functions to
work properly.

tests/scripts/test_arrays.toy

@@ -0,0 +1,26 @@
+//1-D array
+var arr = [1, 2, 3];
+arr[1] = 6;
+
+assert arr == [1, 6, 3], "1-D array failed";
+
+//we need to go deeper
+var barr = [
+	[1, 2, 3],
+	[4, 5, 6],
+	[7, 8, 9]
+];
+
+barr[1][1] = 99;
+
+assert barr == [[1, 2, 3],[4,99,6],[7,8,9]], "2-D array failed";
+
+//test trailing commas
+var a = [1, 2, 3, ];
+
+print a;
+
+//test empty arrays
+var b = [];
+
+print b;