Version 1.0.0-alpha.6

Summary

• Support composite keys
• Support array type
• Fix bugs
• Update documentation
• Support models in config
• Rework config.Config
• Rework Expr, now it use go template underlying
• Rework code generator
• Introduce new interface, such as SQLColumns, Valuer, Scanner, InsertPlaceholders and many more
• Renamed Columns to ColumnNames
• Rework Stmt and operators
• Removed strfmt package

Full Changelog: v1.0.0-alpha.5...v1.0.0-alpha.6