feat(API): improved error handling

We are now able to decode detailed errors and pass them on. This allows
the CLI to provide more useful error responses.
Additionally, the CLI will only print debug responses in --debug mode.

Fixes #82

gen/taskqueue1_beta2-cli/mkdocs.yml

@@ -0,0 +1,24 @@
+site_name: taskqueue v0.0.1+20141111
+site_url: http://byron.github.io/google-apis-rs/google-taskqueue1_beta2-cli
+site_description: Write integrating applications with bcore
+
+repo_url: https://github.com/Byron/google-apis-rs/tree/master/gen/taskqueue1_beta2-cli
+
+docs_dir: docs
+site_dir: build_html
+
+pages:
+- ['index.md', 'Home']
+- ['taskqueues_get.md', 'Taskqueues', 'Get']
+- ['tasks_delete.md', 'Tasks', 'Delete']
+- ['tasks_get.md', 'Tasks', 'Get']
+- ['tasks_insert.md', 'Tasks', 'Insert']
+- ['tasks_lease.md', 'Tasks', 'Lease']
+- ['tasks_list.md', 'Tasks', 'List']
+- ['tasks_patch.md', 'Tasks', 'Patch']
+- ['tasks_update.md', 'Tasks', 'Update']
+
+theme: readthedocs
+
+copyright: Copyright © 2015, `Sebastian Thiel`
+