add Assertion for max imagesize
add Assertion for max imagesize

  max filesize for uploaded files defaults
  to 2048MB. This is determined via php.ini.

knutschsoft/swapp,pueppiblue/swapp,pueppiblue/swapp,knutschsoft/swapp,knutschsoft/swapp,pueppiblue/swapp,pueppiblue/swapp