v6.7.1

• Merge pull request #90 from Boilingwaterr/type-issue 385c2d7
• fixed deep type instantiation 14c22ee
• added NestedOrderBy type c42c3df
• Update README.md f3c6cef
• Merge pull request #78 from odobosh-lohika-tix/support-for-decimal-type-readme-fix ec32afd
• Removed extra quotes f690bf5

v6.7.0...v6.7.1