add link-to-image feature

zoom button UI

fix intial zoom to be unscaled

return 404 for non-existant files

add missing dev-server script

compile with -O2 sometimes?

implement zoom

don't use pthread_cancel to shutdown threads, it doesn't work...

implement x:y:z tuple in URL

dir index view, report if image not cached

move the python/web code in

include include in dist, more README

README

include python stuff in dist

use pt_image_load and fix output indent

pt_image_load

accept -j

render async tile to separate tempfile

cleanup pt_tile in _pt_image_tile_async

misc

cleanup mutex when cancel'd in pthread_cond_wait

implement pt_ctx threadpool and pt_image_tile_async

add missing lib/tile.*

add library error codes, and fix image fopen error handling

move public headers to include/, python stuff to python/ sub-dir

small fixes

add a quick .pyx

fix clip_x bug, and reject images that are completely out of bounds

draw clipped tiles by filling in a zeros for the background pixels

PT_OPEN_UPDATE

make pt_cache_open no-op if already open, pt_image_info -> pt_cache_info

pt_cache_open, pt_image_tile

pt_image_status

mmap header, implement pt_image_info (post-update)

--force-update and store palette

move stale-update logic to main

open cache as .tmp, and rename to .cache when done

store cache->mode, error handling for pt_image_update_cache

up to a test client

basic image/cache code compiles

initial code