Fix Nominatim search non-latin queries

Submitting query to Nominatim with non-latin characters fails and no
results are displayed. Using the data-urlencode option of curl encodes
the query properly.

Use XDG_CACHE_HOME consistently

previously only the save/load state scripts actually respected the
variable, which breaks the routeing scripts. which both assume ~/.cache

Signed-off-by: Robert Günzler <r@gnzler.io>

Bump version to 1.3.3

Remove unneeded cast, use curl.curl_off_t for progress_dl_{now,total} directly

Bump version to 1.3.2

Fix mobroute integration script for mobroute CLI 0.7.0 (-rp becomes -p)

Explicitly cast curl_off_t values to avoid cross build errors

Signal unused param at function signature

Prefer name over @This()

Bump version to 1.3.1

Zero initialize all arguments in jsonapi_execute_parseargs

Corrects segfault when building with -Doptimize=ReleaseSafe in which args
are printed with undefined memory thus potentially causing crash.

Fix memory leak; use arena allocator within jsonapi_execute

Fix JSON API link in README

Bump version to 1.3.0

Fix path for shellpipe savestate referenced

Cleanup keybindings in default config a bit i/u state save/load; v for URL

Update README links for doc site to be http://mepo.lrdu.org

Cleanup routing scripts prompts to be less verbose

Cleanup JSON api doc a bit

Prefer HTTPS where possible