working on tests
Merge branch 'develop' into tests
getting alignment parameters and passing them ahead
default alignment parameters of 50%, which means center
get alignment parameters
make sure the parameters are numbers between 0 and 100
using the alignment parameters to calc the offset of crop.
adding the alignment parameters to the name of the cache file
update readme and changelog
fix typo
Merge remote-tracking branch 'origin/master' into develop
add tests for resize by height
Merge branch 'develop' into tests
make align params optional in library
refactor buildTag method
add phpunit.xml
add .gitattributes