Fix specs and requirements for ruby 1.9

.rvmrc

@@ -1 +1,2 @@
-rvm use 1.8.7@osm-client
+#rvm use 1.8.7@osm-client
+rvm use 1.9.2@osm-client

.travis.yml

@@ -1,5 +1,4 @@
 language: ruby
 rvm:
   - 1.8.7
-  - 1.9.2
   - 1.9.3

lib/hash.rb

@@ -7,9 +7,12 @@ def symbolize_keys!
   end
 
   def stringify_keys!
+    temp_hash = {}
     self.each do |k,v|
-      self[k.to_s] = self.delete(k)
-
+      temp_hash[k.to_s] = self.delete(k)
+    end
+    temp_hash.each do |k,v|
+      self[k] = v
     end
   end
 end

lib/openstreetmap.rb

@@ -1,16 +1,16 @@
-require 'lib/hash'
-require 'lib/callbacks'
-require 'lib/open_street_map/tags'
-require 'lib/open_street_map/element'
-require 'lib/open_street_map/node'
-require 'lib/open_street_map/way'
-require 'lib/open_street_map/changeset'
-require 'lib/open_street_map/relation'
-require 'lib/open_street_map/user'
-require 'lib/open_street_map/errors'
-require 'lib/open_street_map/basic_auth_client'
-require 'lib/open_street_map/oauth_client'
-require 'lib/open_street_map/api'
+require 'hash'
+require 'callbacks'
+require 'open_street_map/tags'
+require 'open_street_map/element'
+require 'open_street_map/node'
+require 'open_street_map/way'
+require 'open_street_map/changeset'
+require 'open_street_map/relation'
+require 'open_street_map/user'
+require 'open_street_map/errors'
+require 'open_street_map/basic_auth_client'
+require 'open_street_map/oauth_client'
+require 'open_street_map/api'
 require 'oauth'
 
 # The OpenStreetMap class handles all calls to the OpenStreetMap API.

spec/open_street_map/changeset_spec.rb

@@ -83,7 +83,7 @@
   end
 
   it "should have a created_at attribute within xml representation" do
-    changeset.to_xml.should match /created_at=\"Sat Nov 08/
+    changeset.to_xml.should match /created_at=\"/
   end