Add image load error handler

1.6.0

update to 1.6.0

1.5.0: Merge pull request #13 from janrembold/dev

Added load.responsiveImage listener

1.4.3

update to 1.4.3

1.4.2

update to 1.4.2

v1.4.1

Merge pull request #9 from janrembold/fix-zoomed-dpr

fixed min-dpr result to 1 because of lower dpr values on zoomed sites

v1.4.0

Merge pull request #8 from janrembold/prefix-source-loader

Added sourcePrefix option and source loader injection

v1.3.1

updated version to 1.3.1

v1.3.0

Added preload and auto dpr support

v1.2.1

Merge pull request #2 from janrembold/events_v2

New load event for changed images

v1.2.0

Added events