Include Info column for all cached requests

If the user has provided a set of columns for a cached request, make
sure it includes Info, and if it doesn't, add it.

Author: mattantonelli

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    xivapi (0.2.0)
+    xivapi (0.2.1)
       rest-client (~> 2.0.2)
 
 GEM

README.md

@@ -7,7 +7,7 @@ A Ruby library for [XIVAPI](https://www.xivapi.com/).
 Add this line to your application's Gemfile:
 
 ```ruby
-gem 'xivapi', git: 'https://github.com/xivapi/xivapi-ruby.git', tag: 'v0.2.0'
+gem 'xivapi', git: 'https://github.com/xivapi/xivapi-ruby.git', tag: 'v0.2.1'
 ```
 
 And then run:

lib/xivapi/http.rb

@@ -51,6 +51,11 @@ def request(client, endpoint, params = {}, payload = nil)
     # @param poll [true, false] Whether or not to poll XIVAPI until data is returned
     # @return the results of the request
     def request_cached(client, endpoint, key, params = {}, poll = false)
+      columns = params[:columns]
+      unless columns.empty? || columns.match?('Info')
+        params[:columns] = columns.split(',').push('Info').join(',')
+      end
+
       response = request(client, endpoint, params)
 
       case(response.info[key].state)

lib/xivapi/version.rb

@@ -1,4 +1,4 @@
 module XIVAPI
   # Gem version
-  VERSION = "0.2.0"
+  VERSION = "0.2.1"
 end