Log Message:
update to 1.48.

Changes from 1.43:

Version 1.48
- Fixed incompatibility with perl version < 5.8x of the capture function;
  the fix excludes the usage of other tied class :-(

Version 1.47
- Maintainance release. A few minor changes

Version 1.46
- Fixed bug in nested capture, introduced with v1.45
- Simplified the capture implementation
- Added a few tests

Version 1.45
- Full reimplemention of the capture() function, greatly improved
- Removed the Tie::Handle dependency
- Improvement of the slurp() function
- Added the 'markers' option in the load_mml function and tests.

Version 1.44
- Fixed missing quotes in the slurp and _path_mtime function
- Added the 'optional' option in the load_mml function