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_tables.toy

@@ -0,0 +1,33 @@
+//1-D table
+var a = ["alpha": 1, "beta": 2, "gamma": 3];
+a["beta"] = 6;
+
+print a;
+assert a == ["alpha": 1, "beta": 6, "gamma": 3], "1-D tables failed";
+
+//nested
+var b = [
+	"outer": ["inner": true],
+	"alpha": 1,
+	"beta": 2,
+	"gamma": 3
+];
+
+print b;
+assert b == ["alpha": 1, "beta": 2, "gamma": 3, "outer": ["inner": true]], "nested tables failed";
+
+//test empty tables
+var empty = [:];
+
+print empty;
+assert empty == [:], "empty tables failed";
+
+//test trailing commas
+var trailing = [
+	"alpha":1,
+	"beta":2,
+	"gamma":3,
+];
+
+print trailing;
+assert trailing == ["alpha": 1, "beta": 2, "gamma": 3], "trailing tables failed";