Improved TV handling
· ability to use all document fields like [+longtitle+] or [+pagetitle+]
· ability to @INHERIT custom TVs

See: 244fed936b591d6ed52a0914837deb295ea23841
Some typo
See: 7f9575fbf9b68229ee7a64ce797f0e3eb1291187, c3f70f2cc9216f45541b72a63b2def8362b6cd95, c7cb552e9c3a329bfd3b0ea626c4fef5d21f9822, 83aabe9a7c02a79b384b7c7b22db46827f23ce22, d761530e11901b47897f08e4553aab335d3bb012