Made excepton handling optional, off by default

Sieve/Models/SieveOptions.cs

@@ -10,5 +10,7 @@ namespace Sieve.Models
         public bool CaseSensitive { get; set; } = false;
 
         public int DefaultPageSize { get; set; } = 0;
+
+        public bool ThrowExceptions { get; set; } = false;
     }
 }

Sieve/Services/SieveProcessor.cs

@@ -308,6 +308,8 @@ namespace Sieve.Services
                     }
                 }
                 catch (ArgumentException) // name matched with custom method for a differnt type
+                {
+                    if (_options.Value.ThrowExceptions)
                     {
                         var expected = typeof(IQueryable<TEntity>);
                         var actual = customMethod.ReturnType;
@@ -315,7 +317,8 @@ namespace Sieve.Services
                             $"{name} failed. Expected a custom method for type {expected} but only found for type {actual}");
                     }
                 }
-            else
+            }
+            else if (_options.Value.ThrowExceptions)
             {
                 throw new SieveMethodNotFoundException(name, 
                     $"{name} not found.");

SieveUnitTests/Services/SieveOptionsAccessor.cs

@@ -20,7 +20,10 @@ namespace SieveUnitTests
 
         public SieveOptionsAccessor()
         {
-            _value = new SieveOptions();
+            _value = new SieveOptions()
+            {
+                ThrowExceptions = true
+            };
         }
     }
 }