Fixed IPAdress error message.
Catch invalid input early on in AsyncLogClient::GetEntries.
Moved apt-get python packages to pip (travis).
Store (and use) entries in database.
Added ASN1IllegalCharacter exception.
Storing entries no longer break client.
Basic logging of issues in certificates.
Applied most of design comments.
Modified highlights, finished checking of dnsnames

Removed leftovers from previous of highlights.
Changed Highlight to Observation, seperated checks
Removed 'return []' in favor of check(cert) or [].
Removed leftover highlight.
Changed equality operator of observations.
Monitor report and checks test.

Also secretly few small fixes.
Applied comments.
Applied comments, and added base test class.
Changed comment.
Better handling of ASN1IllegalCharacter.
Changed how prefix is added to checks.