Update Canon and Pentax lens lists to match ExifTool version 9.66.

git-svn-id: svn://dev.exiv2.org/svn@3268 b7c8b350-86e7-0310-a4b4-de8f6a8f16a3
add svn=nnnn to exiv2 -v -V

git-svn-id: svn://dev.exiv2.org/svn@3269 b7c8b350-86e7-0310-a4b4-de8f6a8f16a3
svn_version handling dummy for MSVC (I'll deal with MSVC later).

git-svn-id: svn://dev.exiv2.org/svn@3270 b7c8b350-86e7-0310-a4b4-de8f6a8f16a3
svn_version: strengthened to handle errors from svn (for example when building from the distribution tar bundle)

git-svn-id: svn://dev.exiv2.org/svn@3271 b7c8b350-86e7-0310-a4b4-de8f6a8f16a3