v1.2.0

Highlights:

• syntax
  • Add support for escaped characters in bash regular expressions
• fileutil
  • New package with some code moved from cmd/shfmt, now importable
  • New funcs HasShebang and CouldBeScript
  • Require shebangs to end with whitespace to reject #!/bin/shfoo

Binaries built on go version go1.8 linux/amd64.