Merge branch 'master' into devel [ci skip]
Bumped version to v0.1.8 [ci skip]
Disabled malloc tests
Added TODO comment [ci skip]
Clean up tiles before drawing new ones
Code cleanup
Made attribute hidden
POD fix [ci skip]
Tiles cleaned up in expiration order
Added TODO comment [ci skip]#
Fixed bug that skipped edge tiles
Updated Changes [ci skip]
Updated Changes [ci skip]
Changed comment on why test is skipped
Merge pull request #13 from robrwo/devel

v0.1.8 release