added unit tests for append
BatList.fold_lefti now matches the interface of BatArray.fold_lefti
fixed fold_lefti to follow batArray.fold_lefti
added fold_righti
implementation for fold_righti and more explicit tests for fold_lefti
tests for fold_righti
Merge pull request #539 from UnixJunkie/batlist_fold_lefti

Looks good to me :)
Update tests and documentation for dump
Merge pull request #541 from mads379/dump-bug

Add test case for BatPervasives.dump
Merge pull request #531 from UnixJunkie/append_unit_test_in_batlist

added unit tests for append
Add of_list in Set.Make
Merge pull request #542 from jpdeplaix/Set.of_list

Let's merge it noooow!
added remove_at with its unit tests, ocamldoc and interface
Merge pull request #544 from UnixJunkie/batlist_remove_at

added remove_at with its unit tests, ocamldoc and interface
Merge remote-tracking branch 'source/master' into batteries-light
added BatConv module for generic serialization and deserialization;
sublibraries BatSexp, BatYojson, BatBencode to interface with respective libs