[fix] Free `hostname`
[fix] Remove unused variables
[dist] Upgrade `env` to mmalecki/env@568a9a0382cf9
[fix] Free copied environment
Merge branch 'fix-leaks' of github.com:mmalecki/forza into mmalecki-fix-leaks

Conflicts:
	src/forza.c
[fix] free opt instead of variables the yell because they dont want to be freed
[fix] clean up other uv_fs_t handler