fixed category name, added headerLevel method
Merge branch 'develop' of github.com:Cocoanetics/DTCoreText into develop
Added unit test for #437
fixed unit test that broke when fixing #437.

Now the NL character has the correct attributes and so for this test to work the styles need to be on the P-level to be covering the full paragraph.
fixed unit test that broke from fixing #437
Fixes "bleeding out" of attributes into \n
closes #437
#437 current test
Merge branch 'od/issue_437' into develop
updated willFlush block in demo to work for entire paragraph #424
Added current test case for #424
Added main thread checking to demo
removed unnecessary variables
fixed potential crash in lazy image view if no image can be loaded for a given URL
Added main thread guard
Added main thread guard
Added import
Updated podspec
Merge branch 'release-1.5.1'