ExRam.Gremlinq 8.5.0

Changes

• Don't compile previously created expression trees (#218) @danielcweber
• Don't allow applying the length operator on native types. (#217) @danielcweber
• Fix length operator on element properties. (#216) @danielcweber
• IntegrationTests on windows didn't run. (#213) @danielcweber
• Use a global count on when Length is applied to vertex properties (#211) @danielcweber