Added support for INNER JOIN and RIGHT JOIN in SqlBuilder

Dapper.SqlBuilder/SqlBuilder.cs

@@ -106,6 +106,11 @@ void AddClause(string name, string sql, object parameters, string joiner, string
             seq++;
         }
 
+        public SqlBuilder InnerJoin(string sql, dynamic parameters = null)
+        {
+            AddClause("innerjoin", sql, parameters, joiner: "\nINNER JOIN ", prefix: "\nINNER JOIN ", postfix: "\n");
+            return this;
+        }
 
         public SqlBuilder LeftJoin(string sql, dynamic parameters = null)
         {
@@ -113,6 +118,12 @@ public SqlBuilder LeftJoin(string sql, dynamic parameters = null)
             return this;
         }
 
+        public SqlBuilder RightJoin(string sql, dynamic parameters = null)
+        {
+            AddClause("rightjoin", sql, parameters, joiner: "\nRIGHT JOIN ", prefix: "\nRIGHT JOIN ", postfix: "\n");
+            return this;
+        }
+
         public SqlBuilder Where(string sql, dynamic parameters = null)
         {
             AddClause("where", sql, parameters, " AND ", prefix: "WHERE ", postfix: "\n");