Prep 0.9.0 release (dotnet#403)

Prep 0.8.0 release (dotnet#390)

Prep 0.7.0 release (dotnet#361)

Release 0.6.0 (dotnet#301)

Release v0.5.0 (dotnet#272)

0.4.0 Release (dotnet#189)

v0.3.0 release prep (dotnet#128)

Add author info and update repository info for Nuget package (dotnet#87)

TPCH Benchmark fixes (dotnet#44)