Remove multiline escape hatches from specification

add cktvs

* vscode syntax highlighting

new specification

* a more readable specification (see SPEC)
* includes some updates to the README (cktjs, CONTRIBUTING)

add ockt

remove unicode code point escapes

redefine whitespace; make simpler

relicense

remove single quoted strings

* allows apostrophes and stuff without quoting strings
* simplifies tokenization & parsing just a little

add pyckt

commit 0: initial revision (0.0.0)