Specified platform-specific system error message regexes
Merge pull request #93 from aznashwan/system-errors

Grouped platform-specific system error message regex-es.
Implement the debugstatus package.
Simplify names in the debugstatus package.
Make the checker functions in debugstatus return their key.
Improve debugstatus package docstrings.
Merge pull request #99 from frankban/debugstatus

Implement the debugstatus package.
added a mustnewuuid function, useful in testing
Expose debugstatus.StartTime.
Use PatchValue to patch debugstatus.StartTime.
Merge pull request #101 from frankban/expose-starttime

Expose debugstatus.StartTime.
use golang.org/x/crypto
Merge pull request #102 from rogpeppe/007-use-new-crypto-path

use golang.org/x/crypto
Merge pull request #100 from mattyw/must-new-uuid

added a mustnewuuid function, useful in testing