2.0.4

Compatibility fix for PHP8

2.0.3

• fixup memory leak

2.0.1

• fixup parsing arguments of blackhole_metric_add
• reformat of blackhole_get_data keys

2.0.0

• rework API for supporting multiple metrics

1.1.3

• Fix signature of blackhole_get_port()

1.1.2

• Fix memory leaking

1.1.1

• Fixed initialization of overall_metric_name

1.1.0

• Added overall metric without tags

1.0.0

• Basic implementation