PCRE 8.34 is not supported due to bug #1451

See http://bugs.exim.org/show_bug.cgi?id=1451
tests: typos
Accepts hashbang in URL like www.texy.info/path/#!/flag [Closes #7]
Fixed <h1>"neco":</h1> [Closes #4]

Conflicts:
	tests/Texy/expected/links-images1.html
	tests/Texy/expected/links-images2.html
	tests/Texy/expected/links-images3.html
	tests/Texy/sources/links-images.texy
TypographyModule: 1 × 2 preserve spaces [Closes #3]
Released version 2.5