Fix '1.2.0beta-1' is not a valid version string

Release 1.1.0

Bump version to 1.0.3

Bump version to 1.0.2

Bump version to 1.0.1

Bump version to 1.0

Bump version to 0.6.0.0

Bump version to 0.5.0.0

Bugfix: don't try to instantiate abstract classes with tests.

FSharp.Core 4.3