add go modules

Merge pull request #12 from kwiesmueller/master

switch to bbolt

bug fix

Adding Delete() method

Merge pull request #7 from dhauenstein/errorfix

Fix return errors from boltdb Get/Delete requests

Merge branch 'master' of https://github.com/djherbis/stow

gofmt

Put should fail if marshaling fails

linter fix (omit inferred type)

Merge branch 'master' of https://github.com/djherbis/stow