Log Message:
Update to the latest version. Switch to libLLVM. XXX needs 3.5, we have 3.6

** Pure 0.64 2014-10-28
improvements in the batch compiler
support for Perl-style regular expressions

** Pure 0.63 2014-10-22
support for inlining ATS
fixes in the built-in Faust interface

** Pure 0.62 2014-09-16
cross compilation fixes

** Pure 0.61 2014-09-10
LLVM 3.5 compatibility fixes

** Pure 0.60 2014-03-24
bugfixes