Merge pull request #184 from fastruby/release/v1.6.0

Release v1.6.0

Merge pull request #184 from fastruby/release/v1.6.0

Release v1.6.0

Bump version to v1.5.0 (#175)

Release v1.4.8 with this patch:

#170

Prepare v1.4.7 release (#168)

Merge pull request #151 from fbuys/release/v-1-4-6

Release v1.4.6

Merge pull request #145 from fastruby/release/v-1-4-5

Release work for v1.4.5

Release work for v1.4.4 (#144)

Merge pull request #140 from fastruby/release/v-1-4-3

Release work for v1.4.3

Bump version to 1.4.2 and document the patch