Added mechanism to pass arguments to client.

arg.go

@@ -0,0 +1,39 @@
+/*
+Copyright 2014 go-trello authors. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package trello
+
+import "net/url"
+
+type Argument struct {
+	Name  string
+	Value string
+}
+
+func NewArgument(name, value string) *Argument {
+	return &Argument{
+		Name:  name,
+		Value: value,
+	}
+}
+
+func EncodeArgs(args []*Argument) string {
+	v := url.Values{}
+	for _, arg := range args {
+		v.Set(arg.Name, arg.Value)
+	}
+	return v.Encode()
+}

board.go

@@ -167,8 +167,13 @@ func (b *Board) MemberCards(IdMember string) (cards []Card, err error) {
 	return
 }
 
-func (b *Board) Actions() (actions []Action, err error) {
-	body, err := b.client.Get("/boards/" + b.Id + "/actions")
+func (b *Board) Actions(arg ...*Argument) (actions []Action, err error) {
+	ep := "/boards/" + b.Id + "/actions"
+	if query := EncodeArgs(arg); query != "" {
+		ep += "?" + query
+	}
+
+	body, err := b.client.Get(ep)
 	if err != nil {
 		return
 	}