fix for runaway regular expression on linux

explicitly set string dvars in quotes to allow setting empty dvars
allow piping in input from command line (#114)
update the distribution for top stats elo
prevent game log file rotation from stopping event parsing

SharedLibraryCore/Interfaces/IParserPatternMatcher.cs

@@ -0,0 +1,21 @@
+namespace SharedLibraryCore.Interfaces
+{
+    /// <summary>
+    /// defines the capabilities of a parser pattern
+    /// </summary>
+    public interface IParserPatternMatcher
+    {
+        /// <summary>
+        /// converts input string into pattern groups
+        /// </summary>
+        /// <param name="input">input string</param>
+        /// <returns>group matches</returns>
+        IMatchResult Match(string input);
+
+        /// <summary>
+        /// compiles the pattern to be used for matching
+        /// </summary>
+        /// <param name="pattern"></param>
+        void Compile(string pattern);
+    }
+}