Merge pull request go-gorm#175 from go-gorm/dev

fix(generat): fix capturing iteration variables

Merge pull request go-gorm#172 from go-gorm/dev

Dev

Merge pull request go-gorm#168 from go-gorm/dev

fix(generate): init fieldMap

Merge pull request go-gorm#167 from go-gorm/dev

add method GetFieldByName

fix(do): select with field.Expr

Merge pull request go-gorm#163 from go-gorm/dev

feat(do): count with new session

Merge pull request go-gorm#162 from go-gorm/dev

feat(field): add method `GroutConcat`

fix(template): fix available

fix(template): fix available

Merge pull request go-gorm#161 from go-gorm/dev

Dev