Merge branch 'master' of github.com:micropython/micropython

tests/basics/dict_get.py

tests/basics/dict_iterator.py

tests/basics/dict_pop.py

tests/basics/dict_popitem.py

tests/basics/dict_setdefault.py

tests/basics/dict_update.py

tests/basics/dict_views.py

tests/basics/enumerate.py

tests/basics/eval1.py

tests/basics/exception1.py

tests/basics/filter.py

tests/basics/float1.py

tests/basics/for1.py

tests/basics/fun1.py

tests/basics/fun2.py

tests/basics/fun3.py

tests/basics/generator1.py

tests/basics/generator2.py

tests/basics/import1a.py

tests/basics/import1b.py