Update to 1.220

Upstream changes:
1.220 Tue 11 Nov 2014
Summary:
- incompatible behavior fixes on PPI::Statement::Sub->prototype
- improved parsing of various syntax elements
- code quality improvements
- various small documentation fixes

Details:
- {} is now recognized as anonymous hash constructor instead of a code
  block after these operators: &&= //= || && // ? :
  (GitHub #36) (MOREGAN)
- regex capture variables greater than $9 are now parsed completely,
  instead of being parsed as single digit captures with numbers after
  them (GitHub #38) (MOREGAN)
- DESTROY and AUTOLOAD subs are now parsed even without the sub
  keyword (GitHub #39) (MOREGAN)
- PPI::Statement::Sub->prototype behavior now matches its
  documentation, instead of returning the prototype string
  unchanged and still including the parens (GitHub #56) (MOREGAN)
- PPI::Statement::Sub->prototype now returns undef on subs without a
  prototype, instead of returning an empty string
  (GitHub #56) (MOREGAN)
- list of keywords which are not parsed as packages when followed by
  the Perl4 package separator ' has been increased
  (GitHub #77) (MOREGAN)
- application of a number of Perl::Critic policies and documentation
  fixes (GitHub #53) (MOREGAN, MITHALDU)
- automation of README.md generation for git (GitHub #86) (COWENS)
- various small documentation fixes (Github #96) (MOREGAN)

1.218 Sat 16 Aug 2014
Summary:
- Fixes for various parsing and documentation bugs
- 1MB limit on input document size removed
- Moved repository to GitHub: https://github.com/adamkennedy/PPI

Details:
- Stop directing bugs to rt.cpan.org (GitHub #40) (MOREGAN)
- Fix documentation reference to List::Util (RT #75308) (RWSTAUNER)
- Improve scalability of parsing long lines, and remove the size
  limit on documents PPI will parse (GitHub #5) (MITHALDU)
- Speed up adding an element to an unlabeled statement.
  Allow inlining of some methods. (WOLFSAGE)
- Expanded test coverage (DOLMEN, MOREGAN)
- Convert inline tests to standalone tests (GitHub #12) (MOREGAN)
- Fix for '1=>x' being parsed as x operator (GitHub #46) (MOREGAN)
- Recognize that '1 x3' is the x operator followed by a 3
  (RT #37892, GitHub #27) (MOREGAN)
- Support all augmented assignment operators (<<=, ||=, etc.)
  (RT #68176, 71705) (MOREGAN)
- Stop upper-case "=CUT" from terminating POD (RT #75039) (JAE)
- Support upper-case digits in hex and binary numbers, including
  in the leading '0X' and '0B'. (RT #36540) (KRYDE, MOREGAN)
- Fix float argument to range operator misparsed as version
  string (RT #45014) (MOREGAN)
- Fix POD markup in PPI::Find (RT #51693) (FWIE)
- Fix spelling of "Tom Christiansen" (RT #67264) (TADMC)
- Fix a large raft of spelling and grammar errors (RT #85049) (David
  Steinbrunner, DOLMEN, MOREGAN)
- Fix errors in documentation of the PPI::Element class hierarchy
  (RT #30863, 69026) (SJQUINNEY)
- Prevent PPI::XSAccessor packages from hiding corresponding PPI
  packages in CPAN (RT #90792) (MITHALDU)
- Recognize the formfeed character as whitespace (RT #67517) (WYANT)
- Recognize regex match following 'return' (RT #27475) (ADAMK)
- Fix missing dereference, length called on reference (RT #40103)
  (ADAMK)

(wen)