Miutil

- add `mlab.get_runtime()`
+ latest version (v713)
+ Linux SPM12 runtime compatible version (https://github.com/AMYPAD/SPM12/issues/1)
- update CLI
+ add `-r, --runtime`
+ add runtime `[<command>...]`
- update `MBeautifier` version
- fix dependency versions (21)
- fix `pynvml==11` `AttributeError` (22)
- fix `fdio.extractall()` permissions
- don't package tests (21)

- `miutil.web`: fix/support py27 (19)

- fix missing `tqdm` dependency (18)

- add `web.urlopen_cached` (17)
- add `fdio.extractall` (17)
- drop py3.5
- minor py2.7 fix

- fix py2.7 (16)

- fix py2.7 (15)
- minor tests framework updates