Json fixes (#91) (#92)

* Fixes for JsonPath

* More tests

* Fixes + added tests

src/WireMock.Net/Matchers/IMatcher.cs

@@ -5,19 +5,6 @@
     /// </summary>
     public interface IMatcher
     {
-        /// <summary>
-        /// Determines whether the specified input is match.
-        /// </summary>
-        /// <param name="input">The input.</param>
-        /// <returns>A value between 0.0 - 1.0 of the similarity.</returns>
-        double IsMatch(string input);
-
-        /// <summary>
-        /// Gets the patterns.
-        /// </summary>
-        /// <returns>Patterns</returns>
-        string[] GetPatterns();
-
         /// <summary>
         /// Gets the name.
         /// </summary>