fix: slices/maps of existingfile would fail to work

Drop automatic message prefix from command errors (#384)

Bump golang.org/x/crypto in /_examples/server (#352)

Bumps [golang.org/x/crypto](https://github.com/golang/crypto) from 0.0.0-20200117160349-530e935923ad to 0.1.0.
- [Release notes](https://github.com/golang/crypto/releases)
- [Commits](https://github.com/golang/crypto/commits/v0.1.0)

---
updated-dependencies:
- dependency-name: golang.org/x/crypto
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

feat: add support for camelCase JSON keys

Fix large number processing for unsigned types

fix: Reset() should always be called before anything else

helpful error message when flag is missing values (#310)

Fixes #277

feat: AutoGroup option

fix: hydrate pointer fields

It is a mystery how this has been a bug for so long.

fix: Change the application flags order avoiding panics

This commit solves issue #264