Update to 0.6.9

Upstream changes:
2016-01-07  Dirk Eddelbuettel  <edd@debian.org>

* DESCRIPTION (Version): Version 0.6.9

* DESCRIPTION (Date): Bumped Date: to current date

2016-01-06  Dirk Eddelbuettel  <edd@debian.org>

* vignettes/sha1.Rmd: Small edits

2016-01-06  Thierry Onkelinx <thierry.onkelinx@inbo.be>

* R/sha1.R: Add functions to calculate stable SHA1 with floating points
* man/sha1.Rd: Add helpfile for sha1()

* tests/num2hexTest.R: unit tests for num2hex() (non exported function)
* tests/sha1Test.R: unit tests for sha1()

* NAMESPACE: Export sha1 and its methods

* DESCRIPTION: Add Thierry Onkelinx as contributor, bump Version and Date
* README.md: Add Thierry Onkelinx as contributor

* vignette/sha1.Rmd: Added

* .travis.yml: Added 'sudo: required' per recent Travis changes

2015-10-14  Dirk Eddelbuettel  <edd@debian.org>

* man/digest.Rd: Remove references to inaccessible web pages
* man/hmac.Rd: Ditto

2015-10-13  Dirk Eddelbuettel  <edd@debian.org>

* src/digest.c: Use uint32_t instead of int for nchar

2015-10-12  Qiang Kou <qkou@umail.iu.edu>

* src/digest.c: Use XLENGTH instead of LENGTH (PR #17, issue #16)

2015-08-06  Dirk Eddelbuettel  <edd@debian.org>

* DESCRIPTION (Title): Updated now stressing 'compact' over 'crypto'

2014-12-30  Dirk Eddelbuettel  <edd@debian.org>

* DESCRIPTION (Version): Version 0.6.8

* DESCRIPTION (Date): Bumped Date: to current date

2014-12-29  Dirk Eddelbuettel  <edd@debian.org>

* inst/include/pmurhashAPI.h: Added HOWTO comment to top of file

2014-12-26  Dirk Eddelbuettel  <edd@debian.org>

* src/pmurhash.c: Protect against _BIG_ENDIAN defined but empty

* inst/include/pmurhash.h: Consistent four space indentation

2014-12-25  Dirk Eddelbuettel  <edd@debian.org>

* DESCRIPTION: Bump Date: and Version:

* src/init.c: Minor edit and removal of unused headers

2014-12-25  Wush Wu  <wush978@gmail.com>

* inst/include/pmurhash.h: Export function
* src/init.c: Register function for use by other packages

2014-12-20  Dirk Eddelbuettel  <edd@debian.org>

* DESCRIPTION (Version): Version 0.6.7

* DESCRIPTION (Date): Bumped Date: to current date

2014-12-19  Dirk Eddelbuettel  <edd@debian.org>

* cleanup: Also remove src/symbols.rds

* src/sha2.c: Apply (slightly edited) patch from
https://www.nlnetlabs.nl/bugs-script/attachment.cgi?id=220&action=diff
to overcome the strict-aliasing warning

* src/digest.c: Use inttypes.h macro PRIx64 only on Windows

2014-12-16  Dirk Eddelbuettel  <edd@debian.org>

* src/xxhash.c: Remove two semicolons to make gcc -pedantic happy
* tests/digestTest.Rout.save: Updated reflecting murmurHash test
* src/pmurhash.c: Renamed from PMurHash.c for naming consistency
* src/pmurhash.h: Renamed from PMurHash.h for naming consistency

2014-12-16  Jim Hester <james.f.hester@gmail.com>

* src/digest.c: murmurHash implementation
* tests/digestTest.R: murmurHash implementation
* R/digest.R: murmurHash implementation
* src/PMurHash.c: murmurHash implementation
* src/PMurHash.h: murmurHash implementation

2014-12-10  Dirk Eddelbuettel  <edd@debian.org>

* src/xxhash.c: Applied pull request #6 by Jim Hester with updated
upstream code and already corrected UBSAN issue identified by CRAN

2014-12-09  Dirk Eddelbuettel  <edd@debian.org>

* DESCRIPTION (Version): Version 0.6.6

* DESCRIPTION (Date): Bumped Date: to current date

* src/digest.c: Applied pull request #5 by Jim Hester providing
portable integer printing inttypes.h header

2014-12-08  Dirk Eddelbuettel  <edd@debian.org>

* DESCRIPTION (Version): Version 0.6.5

* DESCRIPTION (Date): Bumped Date: to current date

* NAMESPACE: Expanded useDynLib() declaring C level symbols, in
particular using digest_impl to for the C-level digest

* R/AES.R: Use R symbols from NAMESPACE declaration in .Call()
* R/digest.R: Use R symbol digest_impl to load C level digest

2014-12-07  Dirk Eddelbuettel  <edd@debian.org>

* DESCRIPTION: Edited Title and Description

* R/digest.R: Added GPL copyright header, reindented to four spaces

* src/digest.c: Reindented to four spaces

* R/AES.R: Reindented to four spaces
* R/hmac.R: Reindented to four spaces

2014-12-06  Dirk Eddelbuettel  <edd@debian.org>

* src/digest.c: Updated GPL copyright header

* src/xxhash.c: Removed two spurious ';'

* man/digest.Rd: Document 'seed' argument in \usage

* tests/digest.Rout.save: Updated for expanded tests

* DESCRIPTION: Add Jim Hester to list of Authors

2014-12-05  Dirk Eddelbuettel  <edd@debian.org>

* R/digest.R: Applied pull request #3 by Jim Hester with support for
xxHash (https://code.google.com/p/xxhash/)
* src/digest.c: Ditto

* src/xxhash.c: xxHash implementation supplied as part of #3
* src/xxhash.h: xxHash implementation supplied as part of #3

* R/digest.R: Applied pull request #4 by Jim Hester with expanded
support for xxHash providing xxhash32 and xxhash64
* src/digest.c: Ditto
* man/digest.Rd: Added documentation for xxHash, corrected typos
* src/digest.R: New support for a seed parameter used by xxHash
* tests/digestTest.R: Added tests for xxHash

2014-08-15  Dirk Eddelbuettel  <edd@debian.org>

* R/hmac.R: Applied (slightly edited) patch for crc32 computation of
hmac kindly supplied by Suchen Jin

(wen)