Changements

Improve real-time updates
– Do not recompute the whole dependencies before and after the shiftTs.
– Fix issue where the former value of a holder would still appear in the
editor
 after the value has been changed from another browser.
 (commit: d14dbe4)

AbstractCache: refactor: safeConsum -> safeExecute
And take a Runnable rather than a Consumer as a parameter since the
consumer’s argument was not used.
 (commit: c9ef6c4)