Taskcluster-util

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**Bugfixes**

- Fix the version typo... :(

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**Features and Improvements**

- Reduce the log information.

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**Features and Improvements**

- Update the taskcluster-client.py to 0.0.32.

**Bugfixes**

- Fix the gzip encoding issue of download.

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**Features and Improvements**

- Modify the taskcluster_download method for easier usage.

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**Features and Improvements**

- Add taskcluster_login for getting credentials.
- Make user choice more strict when getting credentials.

**Bugfixes**

- Fix the issue when query is an empty string (taskcluster_login).

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**Features and Improvements**

- Add taskcluster_login for getting credentials.