Merge pull request #462 from visualfc/lazy_pkg

export lazy pkgs

Merge pull request #453 from visualfc/fsys

load/mod

Merge pull request #448 from visualfc/qexp_alias

qexp: export types.Alias to vars

Merge pull request #445 from visualfc/aliastypes

qexp: flag -alias_types set export types alias list

Merge pull request #433 from visualfc/xgo_v1.17.0

xgo v1.7.0

Merge pull request #427 from visualfc/reflectx

reflectx v1.6.3 ( embed method cached )

Merge pull request #424 from visualfc/pkgs

code cleanup

xgobuild: add pkg env/format (#419)

Merge pull request #416 from visualfc/xgo_v166

XGo v1.6.6

Merge pull request #415 from visualfc/linknamedoc

doc: linknamefix