Added a few methods.

Author Pascal J. Bourguignon <pjb@informatimago.com>
Author date 2011-07-19 19:34:50
Author local date 2011-07-19 21:34:50 +0200
Committer Pascal J. Bourguignon <pjb@informatimago.com>
Committer date 2011-07-19 19:34:50
Committer local date 2011-07-19 21:34:50 +0200
Commit db6fb90aeac76c4b8319034a7ba4530eb5a106f0
Tree 7e2a2808b46e28dd6821627165fb6cf307cdf8e4
Parent 53cafc45945021c90e5e14a99127d2df60b7196b
Added a few methods.
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