review comment to episodes

[avallecam]

• Downloads could be bundled (single wget/button)
• page 2: duplication of download instructions?
• Conversely, conducting all data manipulation outside the database management system can lead to occupying more disk space than desired running out of memory. Not a complete sentence? Why 'desired' running out of memory?
• instead of displaying the errors by default it could be nice to open them in a drop-down to potentially avoid the impression that those errors are what should be shown
• why dbname = ":memory:"