Cache implementation without tests+ equality in set
Small refactor
Tests for cache.
Add tests
Merge remote-tracking branch 'origin/cache' into documentation
Merge remote-tracking branch 'origin/vector' into documentation
Merge remote-tracking branch 'origin/vector' into documentation
Merge remote-tracking branch 'origin/vector' into documentation
Vector documentation v1
Merge remote-tracking branch 'origin/master' into documentation

Conflicts:
	lib/src/vector.dart
Merge remote-tracking branch 'origin/master' into documentation

Conflicts:
	pubspec.lock
ReadMap documentation
Revert "Merge remote-tracking branch 'origin/cache' into documentation"

This reverts commit 7d66bdd5034ad891dbfecd600efe851d1dbfa775, reversing
changes made to 04b0813c071879ae9ad6645400260770ed114caa.

Conflicts:
	pubspec.lock
Merge remote-tracking branch 'origin/master' into documentation
Merge remote-tracking branch 'origin/master' into documentation
ReadVector documentation
Set documentation
Documented "safe".
Started new README
Set.delete safe revived and documented