apply pragmas to unmarshal printer (tinylib#176)

* fix issue 174: apply pragmas to unmarshal printer

* fix build on tip; time.Time representation has changed

use go1.7 as base

Merge pull request tinylib#135 from tianon/386

Add some explicit type declarations to fix 32bit

Merge pull request tinylib#90 from tinylib/raw-print

run goimports everywhere, in parallel; don't write intermediate code to disk