v0.4.0: some changes..

• building with Crystal 1.0.0
• adding shards.yml
• adding simple debug option
• adding shards.yaml
• bumping version to 0.4.0

v0.3.0

adding a way of getting events by RayID

v0.2.1

use STDOUT.puts explicitly

v0.2.0

• actually default start to -6.minutes from now

v0.1.0

Initial release