Hyperscan 5.0.0

[5.0.0] 2018-07-09

• Introduce chimera hybrid engine of Hyperscan and PCRE, to fully support
  PCRE syntax as well as to take advantage of the high performance nature of
  Hyperscan.
• New API feature: logical combinations (AND, OR and NOT) of patterns in a
  given pattern set.
• Windows porting: hsbench, hscheck, hscollider and hsdump tools now available
  on Windows 8 or newer.
• Improve undirected graph implementation to avoid graph copy and reduce
  compile time.
• Bugfix for issue #86: enable hscollider for installed PCRE package.