wip for de-copying librustpkg
wip libextra/deque
wip for libextra/{getopts,rope,uv_ll,workcache}
wip libextra/{net_ip,net_tcp,num/bigint}
wip for libextra/{base64,c_vec,fileinput,terminfo/parm,time}
wip: update libextra/test
wip: libextra/{dlist,flatpipes,json,priority_queue}
wip for libextra (fun_treemap, future, list, par, treemap) -- big perf regression??
wip for libextra/sort
wip for libextra/{arc,smallintmap}
wip libstd/path
wip libstd/{at_vec,io,os,run,str,util}
wip libstd/{condition,num/strconv,rand,util}
wip libstd: either/result
wip libstd de-copy: ptr, tuple
wip libstd option
wip libstd hashmap
extra: De-copy vec
librustc: Remove `copy` expressions from the language.