python-Frozen-Flask-0.15-bp152.3.17

- Update to version 0.15
  * Add Freezer.freeze_yield() method to make progress
    reporting easier.
- Update to version 0.14
  * Add the FREEZER_SKIP_EXISTING configuration to skip generation
    of files already in the build directory.
  * Add shared superclass FrozenFlaskWarning for all warnings.

- singlespec auto-conversion

- Fix source link and downloaded filename

- Update to version 0.13
  * Add the FREEZER_REDIRECT_POLICY configuration

- Add missing change log