Add build_id_path for Strings

Author: KDGundermann

lib/ruby_odata/service.rb

@@ -210,6 +210,8 @@ def find_id_metadata(collection_name)
   def build_id_path(id_value, id_metadata)
     if id_metadata.type == "Edm.Int64"
       "(#{id_value}L)"
+    elsif id_metadata.type == "Edm.String"
+      "('#{id_value}')"
     else
       "(#{id_value})"
     end