Add a 'NOT_IN' constraint

It basically works like a not-CHOICE constraint execpt that it accepts
an empty list (or no list at all).

While there, add tests for the CHOICE constraint.
Merge pull request #7 from GeJ/master

Add a NOT_IN constraint (and make 'IN an alias for 'CHOICE')
POD fix

Fix minor typos when I found them and also clarifies certain sections on
error message reportings.
Expand the 'HOW TO WRITE YOUR OWN CONSTRAINTS' POD section
POD-fix.

Fix my stupid POD mistakes in the previous commit.

Try to further clarify a few method uses.
Merge pull request #8 from GeJ/master

POD changes
mv tools author
minil migrate
Fixed random test results on t/010_core/011_messages.t with bleadperl
https://rt.cpan.org/Ticket/Display.html?id=84910
Checking in changes prior to tagging of version 0.33.

Changelog diff is:

diff --git a/Changes b/Changes
index 6b115c5..813b694 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,13 @@ Revision history for Perl extension FormValidator::Lite

 {{$NEXT}}

+0.33 2013-04-29T23:21:49Z
+
+    - Fixed random test results on t/010_core/011_messages.t with bleadperl
+      https://rt.cpan.org/Ticket/Display.html?id=84910
+      (Reported by ANDK)
+
+
 0.32

     - Fixed sysnopsis
Merge branch 'master' of github.com:tokuhirom/formvalidator-lite

Conflicts:
	lib/FormValidator/Lite.pm
Checking in changes prior to tagging of version 0.34.

Changelog diff is:

diff --git a/Changes b/Changes
index 813b694..152f96b 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension FormValidator::Lite

 {{$NEXT}}

+0.34 2013-04-29T23:29:50Z
+
+    - Documentation enhancements
+      (Geraud CONTINSOUZAS)
+
 0.33 2013-04-29T23:21:49Z

     - Fixed random test results on t/010_core/011_messages.t with bleadperl