Remove Rails.env check, require savon, require files in correct order
Move MageSales into separate api directory, documentation
Start documentation, replace present? with Ruby's empty? or nil?
Replace present? with Ruby's empty? or nil? in requests

Change parameter to Magento-friendly increment_id rather than order_id
on order_info request
Document SavonClient, replace present? with empty? or nil?
expand_path back to just lib, specify gem versions
WIP: Configurable filters for sales_order_list, make all filters optional