Vbuild

- FIX 10 with [PR](https://github.com/manatlan/vbuild/pull/9)

- EVOL: unique identifier, replace "." -> "_" to
- EVOL: module pscript is only needed for pyComponents now !

- EVOL: new build chain : poetry/pytest/tox & black

- EVOL: vbuild generate es5 compliant code structure
- EVOL: pycomponents manage more lifecycle events (+ "UPDATED","BEFOREUPDATE","BEFOREDESTROY","DESTROYED")

- EVOL: styles can contains mediaquery now
- EVOL: repr(vbuild) return only needed tags
- don't remove ":scope" when styles are non scoped
- EVOL: better handle filename -> component name
- one month anniversary ;-)

- EVOL: PyComp generate JS Closure(online)'s compliant (avoid "This code cannot be converted from ES6.")
- more unit tests