Increase performance and fix memory leak#729

Closed

CorvusCorrax wants to merge 4 commits intofoliojs:masterfrom

CorvusCorrax:removeStream

Commits on Sep 8, 2017

Commits on Sep 13, 2017

Use buffer instead of multiple writes
CorvusCorrax
committed

Commits on Sep 19, 2017

use buffer concat only once
CorvusCorrax
committed