fix: do not keep reference to the first page to parse transactions
Move storage in advanced topics
Import the test page from wiki
Add references to the tests page
Centralize encoding guesses, default to UTF-8

This might not be enough for print() and could need a locale.setlocale()
even though it is generally discouraged.

closes #1352
pastoob: Add an option to set a custom file encoding
Use class attributes as much as possible for application output

refs #803