Gets file information
		Args:
			file_key		key for the file to get
			return			(status code, dict of file info)

def get_file(self, file_key):
		'''Gets file information
		Args:
			file_key		key for the file to get
			return			(status code, dict of file info)
		'''
		uri = '/'.join([
						self.api_uri,
						self.files_suffix,
						file_key
						])

		return self._req('get', uri)