support for returning layout attributes for header and footer
added my last merged pr to the changelog
fix warning, fix copy-paste typo causing failures
refactor iterating attributes
Merge pull request #17 from 1aurabrown/header-footer

@ashfurrow => support for returning layout attributes for header and footer
Merge pull request #18 from 1aurabrown/changelog

@ashfurrow -> added my last merged pr to the changelog
Fix: typo in setupLayoutWithStaticDimension:andVariableDimensions.
Consistently carry brace on the next line.
Merge pull request #19 from dblock/fix-typo

Fix: typo in setupLayoutWithStaticDimension:andVariableDimensions.
Fixed multiple sections false positive assert in longestDimensionWithLengths when invoked without a collection view.
Merge pull request #20 from dblock/fix-multiple-sections-assert

Fixed multiple sections false positive assert in longestDimensionWithLengths when invoked without a collection view.
Bumped to 1.0.1.
Merge branch 'master' of github.com:AshFurrow/ARCollectionViewMasonryLayout
Updated changelog.
Version bump.
remove header and footer attributes if header/footer has no size