Rename file.
Add loop to create array of registrations.
#669 Loop through the list of registrations and notify individually for each one.
#669 Combine responses for each registration into single message to be sent back to the blocker.
#669 Handle BLOCK message with no registration specified.
#669 Update comments.
#669 Handle situations where there are multiple spaces in between registrations.
#669 Convert some prints to log.info.
Merge branch 'feature/#669-BLOCK_accepts_multiple_registrations' into develop
Add version to app.py.
Merge branch 'release/1.8'