New functionality

-----------------

  * Add Download module (cloudinary#114)
  * Add Glide integration (cloudinary#111)

Other changes
-------------

  * Bump gradle and dependencies (cloudinary#118)
  * Bump cloudinary-core version to 1.26.0 (cloudinary#115)

New functionality

-----------------
  * Add a fully-automatic mode to the Upload Widget (cloudinary#113)

New functionality

-----------------

  * Separate modules (io, preprocess, ui).
  * Add support for native Upload-Widget and video preprocessing

Other changes
-------------

  * Automate publishing script, bump gradle version to 6.0.1 (cloudinary#105)
  * Change `compile` to `implementation` in README.MD
  * Bump cloudinary-core version (cloudinary#108)
  * Use cloudinary-java's `isRemoteUrl` (cloudinary#92)

New functionality

-----------------

  * Generate https urls by default when running on Android 9 and above. (cloudinary#81)
  * Add support for gs:// urls in uploader (cloudinary#87)
  * Add support for `read_timeout` and `connect_timeout` in uploads.

Other changes
-------------

  * Remove advanced samples and bump gradle plugin version (cloudinary#85)
  * Bump cloudinary-core version to 1.22 (cloudinary#86)
  * Update README.md (cloudinary#84)
  * Fix exception type thrown for non-existing absolute paths. (cloudinary#83)
  * Modify user agent to explicitly use cloudinary-core version (cloudinary#82)
  * Fix upload progress callback step size when file size is unknown. (cloudinary#80)
  * Update tools versions and fix project setup (cloudinary#79)

* Add `UploadRequest.startNow()` api to support immediate upload requ…

…ests

* Remove a check from `DefaultRequestProcessor`, improve tests

* Bump cloudinary-core library version to 1.19.0

  * Refactor max error count handling for upload requests.
  * Update libraries and tools versions, fix tests
  * Add `consumerProguardFiles` to automatically generate proguard rules for consumers.
  * Improve support for immediate time window in upload requests.
  * Fix categorization request test case

New functionality

-----------------

  * Add support for responsive Url generation.

Other changes
-------------

  * Fix byte array payload encoding and add more comprehensive tests. (cloudinary#47)

New functionality

-----------------

  * Add support for image preprocessing and validations
    * Resizing
    * Format and quality settings
    * Dimensions Validator
    * Exensible with custom processing and validations

Other changes
-------------

  * Fix callback bug, add tests to verify
  * Fix android platform 27 travis bug
  * Feature/upgrade android sdk versions

* Fix immediate TimeWindow issues

* Fix travis configuration

1.21.0 / 2017-10-17

* Fix Android O compatibility issues
* Implement cancellation for in-progress requests.
* Sample app improvements and fixes.
* Add signing to gradle build