Use cl-interpol for the default double-quote (") strings.
Delete princln.
Redefine nth & last as a general function.
Stop redefining equal.
Add :cl21 to *features*.
Add tests for readtable.
Add tests for coerce.
Add cl21.re.
Enable reader syntaxes of the package when use-package.
Add re-match, re-replace and re-split.
Add an usage of regular expressions to README.