adjust my copyright email address this code is now part of Game of Trees too!

template: drop the tp_body field

template: fix possible use-after-free and drop the `render' sugar if some of the tp_* function fails, the inner code could free the template too (that's what galileo does), so `tp->tp_ret' would access free'd memory! Instead, add a local variable `tp_ret' to keep track of the return code. While here, drop the `render' shortand that adds the argument call, the template_reset function and adapt the regress.

template: add a template_free function

import the template compiler i've been working on