Merge pull request #647 from mapbox/attribute-compare

Bug fix: mismatched features could be coalesced if from a prefilter

Merge pull request #642 from mapbox/maxzoom-minzoom

Issue an error message in tile-join if minzoom is greater than maxzoom

Merge pull request #620 from mapbox/wagyu-initializer

Upgrade to Wagyu 0.4.3

Merge pull request #615 from mapbox/generate-ids

Add an option to automatically assign ids to features

Merge pull request #604 from mapbox/per-feature-zoom-check

Require that per-feature maxzoom and minzoom be small integers

Merge pull request #591 from mapbox/attribute-filter

Add a filter extension to allow filtering individual attributes

Merge pull request #574 from mapbox/layer-description

Add the option to specify layer file, name, and description as JSON

Merge pull request #568 from mapbox/gzip-input

Directly support gzipped GeoJSON files as input

Merge pull request #561 from mapbox/exit-status

Use an exit status of 100 if some but not all zoom levels succeeded

Merge pull request #553 from mapbox/zoom-filter

Allow filtering features by zoom level in conditional expressions