added AssetManager.queueLength property, made 'queue' accessible via protected property (closes #399)
renamed 'queueLength' to 'numQueuedAssets' for consistency (refs #399)
small internal naming change for consistency
fixed unreliable clipRect when it was outside the stage bounds (closes #396)
fixed error in 'loadQueue' when 'purgeQueue' was called during active timeout (closes #403)
now checking if atlas / bitmap font texture is available (closes #402)
changed anonymous function for FDT compatibility of Scaffold (closes #401)
the TextField inside the Button class now has 'batchable' enabled (closes #404)

Buttons typically only have very short texts, so this should be a useful default.
added 'Starling.registerProgramFromSource()' method
now caching shader programs of FragmentFilters (closes #410)
optimized 'set numVertices' loop in VertexData (closes #406)
raised version to 1.4.1
added changes of version 1.4.1 to change log
updated binary for version 1.4.1