Bump to version 0.4.7

Bump to version 0.4.6

Bump to version 0.4.5

Merge pull request #94 from fitzgen/bump-t-0.4.4

Bump to version 0.4.4

Bump to version 0.4.3

Merge pull request #82 from fitzgen/bump-to-0.4.2

Bump to 0.4.2

Bump to version 0.4.1

Merge pull request #73 from fitzgen/update-arbitrary

Bump `arbitrary` dep to 1.0; bump our version to 0.4.0

Merge pull request #64 from fitzgen/bump-to-0.3.4

Update `arbitrary` dependency to 0.4.6 and bump our version to 0.3.4

Merge pull request #63 from fitzgen/update-libfuzzer-to-4a4cafa

Update libfuzzer to 4a4cafa