'bind' default for clean templates
made some tests green
attempt to improve line information for '!=' etc. templates
compiler bootstraps with new VM
some complex macros work
opcLdGlobal bugfix
computed goto now works; some progress on the new VM
new VM is getting stable
jump optimizer works
Epoll wrapper + selectors module.
Epoll now works.
VM now supports lambda lifting
tcnstseq works again
next steps for FFI support
Merge branch 'master' into vm2

Conflicts:
	compiler/sem.nim
bugfix: keywords are sorted
makes 'reject' tests green
new VM: passes more tests
new VM supports 'getAst'
more tests are green