Zappa

* Checks for the key 'Environment' when fetching remote lambda env vars (988)
* except BotoCoreError before general exception in zappa.cli.update
* make cookie hack case-insensitive
* Fix 998 - Make environment variable keys strings instead of byte arrays in python 3.6
* Add --disable_progress command line parameter
* 946 - Allow setting cors to false.
* 870 Lambda from outside
* Implement context header mappings - Feature Request Issue 939
* Separating out native AWS environment variables 962
* Rule name shortening
* Splintering aws_environment_variables from environment_variables (to avoid overwriting AWS native env vars).

* Add exclude for __pycache__ contents (943)
* Fix 937 - Use get_data
* Add support for configuring APIGW cache TTL and encryption 942
* Addressing 909: Don't load credentials for 'package' command

* Small fixes for 918, 922, 803, 802, 799, 888, 903, 893, 828, 874, and others.
* Support for manylinux wheels Python 3.6 package downloading.
* Py3 `certify` fixes.
* Add support for multiple expressions when scheduling
* Fix content-type headers not passing through on DELETE
* Avoid creating __init__.py in a directory next to a module (.py file) with the same name
* Check recursively if there is any .py{,c} file in a directory before creating __init__.py
* Fix SNS event tasks
* Bump lambda-packages

* Cached manylinux wheel installed
* New dependency installation formatting
* Clarify "stage" vs "environment" terminology in code
* Fix problem with capitalized packages
* Delete local package if using wheels version. This saves several MBs on package size in some cases (e.g. numpy).
* Thanks to mcrowson, nikbora and schuyler1d

* Various Python3 fixes
* Remove some dead code
* More binary package fixes thanks to and nikbora and bxm156
* Improved async tasks thanks to schuyler1d
* Various small changes

* Support for new `lambda-packages` format (Python3 support)
* Fix `setup.py` on Windows Python3
* Fix 818 - python3 import for LE
* Support AWS-specific environment variables (with KMS)