enable list/tuple input data to chaco plots, convert them to array internally
enable list/tuple input data to chaco plots, convert them to array internally

ContinuumIO/chaco,burnpanck/chaco,ContinuumIO/chaco,burnpanck/chaco,tommy-u/chaco,ContinuumIO/chaco,tommy-u/chaco,tommy-u/chaco,ContinuumIO/chaco,burnpanck/chaco