Smooth strategy compiling
Fix dumb error
Default to factorising smooth
Update docs
Create more interesting test distribution
Tweak docs + better rng
Ideas for pchallenge and qchallenge.
And faster rchallenge
Add challenge examples to smooth
Function to peel off low density regions
Extract function to create binned vectors
Better docs for peal
Start working on autoplot again
Autoplotting for 2d working again
Remove defunct bandwidth estimator
Move summaries list into src dir
Remove old test
Convert condense to take ... as args
Remove summarise.r from collate
Use new form of condense
Remove var check (for now)