Update imgcache.js

Hi,

Here a first proposal to enable an automatic cache clear based on the cache size...

Regards

Pascal
Update imgcache.js
Update imgcache.js
Update imgcache.js
Update imgcache.js
Update imgcache.js
Update imgcache.js
Update imgcache.js
Merge pull request #28 from michelpa/patch-1

It is now possible to clear the cache on init if its size is bigger than a given limit. This functionality is by default disabled unless the option is set. Thanks to michelpa for his work there.