Bugfix. sizes="100vw" worked in different ways in browsers that does/don't support sizes/srcset.
added tests
refactored how media queries are set
added unit tests for custom sizes and custom media queries.
added test for ignored image formats
Added test that confirms issue #7 @ Github
got a working solution for issue #7 on github
added test for hot linked images
cleanup
added test for notBiggerThan
added unit tests for the span markup pattern
bug fix. the media query settings is a array and not a string
added basic test for <span> in the content filter
changed file names in examples. shorter and easier to read
Added a "native" mode
Revert "Added a "native" mode"

This reverts commit 018e768073bf00676a64117c326da1b8a5aaa7dc.
Added a "native mode" that don't use Picturefill. Issue #5 at Github
Added the ability to ignore image formats by passing settings to the wp_query.
updated version number to 1.6.4
Bugfix. Custom attributes worked only with the first image in posts containing multiple ones. (Issue #7)