0.12.0

Features

• convert embed color to decimal if it's given as hex
• add remove_embeds(), remove_files() functions in order to clear embeds and files properties of webhook object
• add optional remove_embeds and remove_files args to execute() in order to automatically clear embeds and files properties
• add remove_file() function in order to remove a file in files given by filename

Breaking Changes

• return webhook responses only as a list if multiple urls are given. Otherwise, just return the response object