Fixed several socket issues. Added backoff for reconnection.

Backoff/ExponentialBackoff.cs

@@ -0,0 +1,32 @@
+namespace CommonSocketLibrary.Backoff
+{
+    public class ExponentialBackoff : IBackoff
+    {
+        private int _initial;
+        private int _current;
+        private int _maximum;
+
+
+        public ExponentialBackoff(int initial, int maximum)
+        {
+            if (maximum < initial)
+                throw new InvalidOperationException("Initial backoff cannot be larger than maximum backoff.");
+            
+            _initial = initial;
+            _maximum = maximum;
+            Reset();
+        }
+
+
+        public TimeSpan GetNextDelay()
+        {
+            _current = Math.Min(_current * 2, _maximum);
+            return TimeSpan.FromMilliseconds(_current);
+        }
+
+        public void Reset()
+        {
+            _current = _initial / 2;
+        }
+    }
+}

Backoff/IBackoff.cs

@@ -0,0 +1,8 @@
+namespace CommonSocketLibrary.Backoff
+{
+    public interface IBackoff
+    {
+        TimeSpan GetNextDelay();
+        void Reset();
+    }
+}