Markdown2

- [pull 282] Add TOC depth option
- [pull 283] Fix to add TOC html to output via CLI
- [pull 284] Do not remove anchors in safe_mode
- [pull 288] fixing cuddled-lists with a single list item
- [pull 292] Fix Wrong rendering of last list element
- [pull 295] link-patterns fix
- [pull 300] Replace a deprecated method
- [pull 301] DeprecationWarning: invalid escape sequence
- [pull 302] Fix "make test" in Python 3
- [pull 303] Fix CVE-2018-5773

- [pull 238] Fenced code blocks lang with leading space
- [pull 260] Search for items only within metadata header
- [pull 264] highlightjs language class support
- [pull 265] FIPS compliance
- [pull 274] Fix for double amp replacement inside link title

- [pull 243] task list extra visual changes
- [pull 245] Don't let "target-blank-lines" break footnotes
- [pull 247] Translatable footnote titles
- [pull 252] Add pipe escaping in table extension

- [pull 236] Fix for safe_mode links regression
- [pull 235] Fix for overgreedy regex in metadata
- [pull 237] Fix for header-ids extra non-alpha character issue

- [pull 204] toc extra Python 3 error
- [pull 207] Performance improvements
- [pull 210] Leading paragraph with fenced code blocks
- [pull 212] Target blank links extra
- [pull 215] Optional metadata fences
- [pull 218] Github style task list
- [pull 220] Numbering extra
- [pull 224] Metadata in blocks
- [pull 230] safe_mode changes

- [pull 131] Markdown "spoiler" extra
- [pull 170] html-classes support for table tags
- [pull 190] "strike" extra
- [pull 201] Allow empty table cells