Hyperscan 4.1.0

[4.1.0] 2015-12-18

• Update version of PCRE used by testing tools as a syntax and semantic
  reference to PCRE 8.38.
• Small updates to fix warnings identified by Coverity.
• Clean up and unify exception handling behaviour across GPR and SIMD NFA
  models.
• Fix bug in handling of bounded repeat triggers with large gaps between them
  for sparse repeat model.
• Correctly reject POSIX collating elements ([.ch.], [=ch=]) in the parser.
  These are not supported by Hyperscan.
• Add support for quoted sequences (\Q...\E) inside character classes.
• Simplify FDR literal matcher runtime by removing some static specialization.
• Fix handling of the POSIX [:graph:], [:print:] and [:punct:] character
  classes to match the behaviour of PCRE 8.38 in both standard operation and
  with the UCP flag set. (Note: some bugs were fixed in this area in PCRE
  8.38.) Previously Hyperscan's behaviour was the same as versions of PCRE
  before 8.34.
• Improve performance when compiling pattern sets that include a large number
  of similar bounded repeat constructs. (github issue #9)