Nick McCoy

Add info on what metadata should be written/read by db taps

validating schema in discovery mode

1

Added write_catalog function

Add missing fields to streams

2

Following fields are missing from the streams: - **Pull Requests** [ '_links', 'assignee', 'assignees', 'author_association', 'base', 'comments_url', 'commits_url', 'diff_url', 'head', 'html_url', 'issue_url', 'labels', 'locked', 'merge_commit_sha', 'milestone', 'patch_url', 'requested_reviewers', 'requested_teams', 'review_comment_url',...

Adds functionality to count the records per stream and print a summary at the end of a run.