Resolve whitespace encoding of filenames

Author: tabertantrum

lib/sharepoint-files.rb

@@ -13,11 +13,11 @@ class Folder < Sharepoint::Object
     method :recycle
 
     def file_from_name name
-      @site.query :get, "#{__metadata['uri']}/files/getbyurl('#{CGI.escape(name.to_s)}')"
+      @site.query :get, "#{__metadata['uri']}/files/getbyurl('#{URI::Parser.new.escape(name.to_s)}')"
     end
 
     def add_file name, content
-      uri = "#{__metadata['uri']}/files/add(overwrite=true,url='#{CGI.escape(name.to_s)}')"
+      uri = "#{__metadata['uri']}/files/add(overwrite=true,url='#{URI::Parser.new.escape(name.to_s)}')"
       @site.query :post, uri, content
     end