v0.4.0

LocalRegistry v0.4.0

Diff since v0.3.3

Breaking changes:

• The push keyword argument to register now defaults to true.
• The registry argument to register is now a keyword argument
  instead of a positional argument.

Merged pull requests:

• Switch registry argument to register from positional to keyword. (#35) (@GunnarFarneback)
• Push registry after registrations by default. (#36) (@GunnarFarneback)