Fix a shader recompile
frustrum function: added explicit float conversion to avoid integer division
add from __future__ import division
Added more transform caching to PerspectiveCamera
Add class name to logging
Fixed shader recompile in GridLines
Cleaned up LineVisual, Buffer classes
agg lines working again
fixes
flakify
Bugfixes
Fixed all visual examples
minor edit
Merge pull request #603 from lcampagn/transform-system-cache

Fix shader recompile issues
Merge pull request #604 from Ylannl/master

frustrum transform: add explicit float conversion to avoid integer division
Merge remote-tracking branch 'projet_original_master/master'