4.3.0

Added

• Added full support for PHP 7.0 and 7.1

Changed

• Changed <pre> and <pre><code> conversions to use backticks instead of indendation (#102)

Fixed

• Fixed issue where specified code language was not preserved (#70, #102)
• Fixed issue where <code> tags nested in <pre> was not converted properly (#70, #102)
• Fixed header-like content not being escaped (#76, #105)
• Fixed blockquote-like content not being escaped (#77, #103)
• Fixed ordered list-like content not being escaped (#73, #106)
• Fixed unordered list-like content not being escaped (#71, #107)