no more unsed 'utils._cache' variable
keeping a table of unique ids already generated ...
fixing code standards typo ...
transformation of a 'global' variable to 'local' one
full review of the eventListeners management
preparing release 0.0.9
upgrading version number to 0.0.10@dev after release of 0.0.9
merging master after release 0.0.9
new demo 'uniqid' tests