j-value -> j-array

remove second header

Update docs

Add some validation around janet matrices

Update docs

Accept raw and keyword in command

bugfix: strings can be packed too

use a macro and use raw instead of symbols

let-j

Minor fix

clear locale at end of an evaluation

CR Kevin Finn: wrap cases in scopes to allow for declarations + it is ok to pass pointers to stack-allocated variables if they will not be used after the stack frame is consumed.

minor abbrev

abbreviate double

jvalue, not j array

Some cleanup and error handling

rename/document/etc

Add to-j-array

Basic guardrails around dlopen

add README