Turn on all warnings
Update submodule
Add Alexandrescu's algorithm
Add buffered variant
Add hybrid algorithm
Update gitignore
Fix
Ignore comparison warning
Merge branch 'master' of https://github.com/ruslo/int-dec-format-tests
Merge branch 'master' into travis.linux
Merge branch 'travis.linux' of https://github.com/ruslo/int-dec-format-tests into travis.linux