only first char to lower

Source/FikaAmazonAPI/Parameter/ParameterBased.cs

@@ -73,7 +73,7 @@ public virtual List<KeyValuePair<string, string>> getParameters()
 
                     var propName = p.Name;
 
-                    queryParameters.Add(new KeyValuePair<string, string>(propName.ToCamelCase(), output));
+                    queryParameters.Add(new KeyValuePair<string, string>(propName.FirstCharToLower(), output));
                 }
 
             }

Source/FikaAmazonAPI/Utils/StringHelper.cs

@@ -4,20 +4,9 @@ namespace FikaAmazonAPI.Utils
 {
     public static class StringHelper
     {
-        public static string ToCamelCase(this string str)
+        public static string FirstCharToLower(this string str)
         {
-            if (string.IsNullOrEmpty(str))
-                return str;
-
-            string[] words = str.Split(new char[] { '_', '-', ' ' }, StringSplitOptions.RemoveEmptyEntries);
-            string camelCase = words[0].ToLower();
-
-            for (int i = 1; i < words.Length; i++)
-            {
-                camelCase += words[i].Substring(0, 1).ToUpper() + words[i].Substring(1).ToLower();
-            }
-
-            return camelCase;
+            return Char.ToLower(str[0]) + str.Substring(1);
         }
     }
 }