Revert removing unused method: used by NET 4.5

Author: niemyjski

src/Exceptionless/Extensions/StringExtensions.cs

@@ -60,6 +60,17 @@ public static bool IsPatternMatch(this string value, string pattern, bool ignore
             return String.Equals(value, pattern, comparison);
         }
 
+        public static string[] SplitAndTrim(this string input, params char[] separator) {
+            if (String.IsNullOrEmpty(input))
+                return new string[0];
+
+            var result = input.Split(separator, StringSplitOptions.RemoveEmptyEntries);
+            for (int i = 0; i < result.Length; i++)
+                result[i] = result[i].Trim();
+
+            return result;
+        }
+
         public static bool ToBoolean(this string input, bool @default = false) {
             if (String.IsNullOrEmpty(input))
                 return @default;