First major code push

Preparing for version 0.1.0
Contains a real README, the test framework, and the API implementation

likes_api.go

@@ -0,0 +1,63 @@
+package groupme
+
+import (
+	"fmt"
+	"net/http"
+)
+
+// GroupMe documentation: https://dev.groupme.com/docs/v3#likes
+
+////////// Endpoints //////////
+const (
+	// Used to build other endpoints
+	likesEndpointRoot = "/messages/%s/%s"
+
+	createLikeEndpoint  = likesEndpointRoot + "/like"   // POST
+	destroyLikeEndpoint = likesEndpointRoot + "/unlike" // POST
+)
+
+////////// API Requests /////////
+
+// Create
+
+/*
+CreateLike -
+
+Like a message.
+
+Parameters:
+	conversationID - required, ID(string)
+	messageID - required, ID(string)
+*/
+func (c *Client) CreateLike(conversationID, messageID ID) error {
+	url := fmt.Sprintf(c.endpointBase+createLikeEndpoint, conversationID, messageID)
+
+	httpReq, err := http.NewRequest("POST", url, nil)
+	if err != nil {
+		return err
+	}
+
+	return c.do(httpReq, nil)
+}
+
+// Destroy
+
+/*
+DestroyLike -
+
+Unlike a message.
+
+Parameters:
+	conversationID - required, ID(string)
+	messageID - required, ID(string)
+*/
+func (c *Client) DestroyLike(conversationID, messageID ID) error {
+	url := fmt.Sprintf(c.endpointBase+destroyLikeEndpoint, conversationID, messageID)
+
+	httpReq, err := http.NewRequest("POST", url, nil)
+	if err != nil {
+		return err
+	}
+
+	return c.do(httpReq, nil)
+}