Shrink ProgressDrawTarget size#277

Merged

djc merged 2 commits intoconsole-rs:mainfrom

mibac138:shrink-pdt

Apr 29, 2021

Commits on Apr 16, 2021

Move last_draw and rate out of `Option` to reduce size and simplify code
mibac138
committed
Replace DrawTarget::Term::last_state with last_line_count
mibac138
committed