Initial commit.

There's a lot of code at play here, so I haven't tested it yet.
A good chunk of the components are available though.

DataTypes/NumberRange.cs

@@ -0,0 +1,24 @@
+using System;
+
+namespace Roblox.DataTypes
+{
+    public struct NumberRange
+    {
+        public readonly float Min;
+        public readonly float Max;
+
+        public NumberRange(float min, float max)
+        {
+            if (max - min < 0)
+                throw new Exception("NumberRange: invalid range");
+
+            Min = min;
+            Max = max;
+        }
+
+        public override string ToString()
+        {
+            return string.Join(" ", Min, Max);
+        }
+    }
+}