add basic lazy list display
update float display
fix lazy list display
fixes for display of NA
remove redundant param types
method table display updates
don't display content initially
use loading indicator for collapsibles
use loading indicator for reptile
revert reptile working notification for now
add some exception handling to reeval
fix table output
fixes #89
fix png display

fixes #3, fixes #87
better image display
update methods display for Vector{Method}s
clean up output primitives
better image display