mro/geohash

kopia lustrzana https://code.mro.name/mro/geohash.git

Marcus Rohrmoser efacb9795c deg,min,sec++		1 rok temu
..
assert.ml	a5b6e731b0 test & clean	4 lat temu
assert2.ml	8e2344072b reduce geo hashes to 60 bit to fit into Int63 OCaml integers keeping the same int hex digits (just one less, 15 instead of 16).	3 lat temu
cgi_test.ml	dee303373c (c) 2021	4 lat temu
dune	b2568b07fa thanks @mseri, this is the fix as suggested in https://github.com/ocaml/opam-repository/pull/23762#discussion_r1214005372	1 rok temu
geohash_test.ml	65a27b2f94 release prep	1 rok temu
route_test.ml	efacb9795c deg,min,sec++	1 rok temu