Function joinPath

test/curl.js:71–73

(path, file)

	}

	function joinPath (path, file) {
		return removeEndSlash(path) + '/' + file;
	}

	function removeEndSlash (path) {
		return path && path.charAt(path.length - 1) == '/' ? path.substr(0, path.length - 1) : path;