fixed issue #520
Fix of issue #528 with updated tests
Merge pull request #530 from yashmehrotra/develop

Fix of Issue #528
linted comment
Merge pull request #531 from yashmehrotra/develop

Minor Lint
fixed PEP8 errors.
clarify what the "content" field means

this is related to #532, and should make it clear that the `content` field needs to be provided to have a prompt readable version available, and what happens if the field is not provided.
Merge pull request #533 from anarcat/patch-1

clarify what the "content" field means
mention the willie bot extension
mention how there's a pending PR.
convert changes to rst
Merge pull request #536 from anarcat/patch-1

mention the willie bot extension in the readme
Merge pull request #524 from AnishShah/iss520

fixed issue #520 - sorting bookmarks in descending order while exporting
Merge remote-tracking branch 'upstream/develop' into develop