fix bug in refinedtopology boundary, interfaces
Merge branch 'master' of https://github.com/nutils/nutils
rename traceback to debug, fix name conflict
fix two bugs, missing references to 'exc'
fix bernstein_poly bug for degree=0
fix bug: import debug module in plot
fix bug: discontfunc wasn't working
bugfix: import debug in plot module
Merge branch 'master' of https://github.com/nutils/nutils
bugfix: log.context kept caller alive indefinitely
deprecate _asarray, new name asarray