Added FSO.Files for use with the API server

Don't ask me. FreeSO is the prime example of dependency hell.

server/tso.files/HIT/HSM.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+namespace FSO.Files.HIT
+{
+    public class HSM
+    {
+        /// <summary>
+        /// HSM is a plaintext format that names various HIT constants including subroutine locations.
+        /// </summary>
+        /// 
+        public Dictionary<string, int> Constants;
+        
+        /// <summary>
+        /// Creates a new hsm file.
+        /// </summary>
+        /// <param name="Filedata">The data to create the hsm from.</param>
+        public HSM(byte[] Filedata)
+        {
+            ReadFile(new MemoryStream(Filedata));
+        }
+
+        /// <summary>
+        /// Creates a new hsm file.
+        /// </summary>
+        /// <param name="Filedata">The path to the data to create the hsm from.</param>
+        public HSM(string Filepath)
+        {
+            ReadFile(File.Open(Filepath, FileMode.Open, FileAccess.Read, FileShare.Read));
+        }
+
+        private void ReadFile(Stream stream)
+        {
+            var io = new StreamReader(stream);
+            Constants = new Dictionary<string, int>();
+
+            while (!io.EndOfStream)
+            {
+                string line = io.ReadLine();
+                string[] Values = line.Split(' ');
+
+                var name = Values[0].ToLowerInvariant();
+                if (!Constants.ContainsKey(name)) Constants.Add(name, Convert.ToInt32(Values[1])); //the repeats are just labels for locations (usually called gotit)
+            }
+
+            io.Close();
+        }
+    }
+}