Holy Refactor: OOP

cmd/user.go

cmd/user/bulk.go

cmd/user/create.go

cmd/user/mod.go

cmd/user/remove.go

cmd/user/reset.go

cmd/user/show.go

cmd/user/temp.go

cmd/user/validation.go

extras/create_test.go

model/krb.go

model/ldap.go

model/ltype.go

model/opts.go

model/user.go

utils/utils.go