v5.1.0-rc1

Includes the following issues / pull requests:

• #24: Add Execute Sql Commands to IRepositoryAsync
• #25: Move ExecuteSqlCommand to Unit of Work
• #26: Add CommandTimeout to IUnitOfWork
• #28: Update package restore mechanism (resolves issue #27)
• #30: Add SelectQueryAsync to IRepositoryAsync
• #31: Fix Repository DeleteAsync (resolves issue #29)

https://www.nuget.org/packages?q=urf
https://github.com/lelong37/URF/releases