r311 0.4.4

r311 0.4.3

API list upkeep
- Added: Espoo, Oulu (#2)
- Changed: Turku (#2)
- Deprecated: Ottawa, Siegburg, Northfield, Annaberg-Buchholz
Introduced deprecation system of available APIs
- Added a key “questioned” to the API list which signals that an API might be abandoned
- Added a key “deprecated” to the API list which signals that an API is no longer functional
- o311_api() now warns when an API is questioned
- o311_api() now aborts when an API is deprecated
Added pretty formatting of error messages
Changed heuristics in o311_request_all() to compare requests using set equality of request IDs instead of exact object equality
Fix bug where formal checks in validate_endpoints() create an invalid dataframe
Ensure that API error handling always yields a valid condition object
o311_api does not match regular expressions anymore
o311_ok(error = TRUE) now returns an error instead of an error object
Add an explanatory note if an HTTP error is unknown
Added a CITATION file (#3)
Added a codemeta file
Add precomputed vignettes