allow \~ to escape as ~
add HTML_NOFOLLOW_LINKS
Merge pull request #52 from laslowh/master

add HTML_NOFOLLOW_LINKS
add target blank attr
add nofollow ref for non internal links only
test: add nofollow ref for non internal links only
Merge pull request #50 from rtfb/master

Better protection against JavaScript injection
Merge pull request #55 from rtfb/master

Autolink fixes
add test cases for issue #45
add an infinity-loop detection to block-level parsing
add error message when panic has been raised within `doTestsBlock()`
fix issue #45: 'Fenced Code Blocks without a blank line before'

Add missing newline between paragraph and fenced code block within `firstPass()`.
add some stderr output to reference stress tests
out-comment stderr debug output
optimisation: only fix fenced code blocks if the extensions parser flag is set... ;-)
Explicit return byte array at end of function.
Merge pull request #58 from aspic/master

Explicit return byte array at end of function.
Add header ID support and tests: # Header {#myid}
Add Header IDs to default extensions
Correctly emit trailing header ID brace