v1.4.0

Preparing release v1.4.0 (#40)

v1.3.1

• Fix cumulative counts of histogram buckets in Prometheus metrics export.

v1.3.0

• Migrate to Go modules.

v1.2.0

Changed

• Support Prometheus client 1.X.

v1.1.0

• Update Glide constraints to allow more recent Prometheus releases.

v1.0.1

• Updated Version constant.

v1.0.0

Add changelog entry for 1.0 (#19)

Add changelog entries for the second RC (forgot to do that before) and
the 1.0.

v1.0.0-rc2

Handle zero-length vectors properly (#18)

The Prometheus HTTP handlers expect all protobuf `MetricFamily` structs
to actually contain some metrics, so we need to filter out zero-length
vectors when gathering our metrics.

Fixes #17.

v1.0.0-rc1

Initial public release.