Adding in readme file so we have SOME place where the new functionality is tracked

README.txt

+This module drastically increase the validation power of Drupal Form API (FAPI).
+You can use the existent filters and rules or create your own. It is up to you!
+
+For the most information, visit the project documenation.
+
+
+rules 			Usage						Description
+------------------------------------------------------
+numeric 			numeric 			Must contains only numbers.
+
+alpha 				alpha 				Must contains only alpha characters.
+
+length				length[<total>]
+							length[<min>, <max>]
+							length[<min>, *] 	
+
+chars 				chars[<char 1>, <char 2>, ..., <char N>] 
+														Accept only specified characters.
+
+email 				email 				Valid email
+
+url 					url
+							url[absolute] Valid URL. If absolute parameter is specified,
+														the field value must have to be a full URL.
+
+ipv4 					ipv4 					Valid IPv4
+
+alpha_numeric alpha_numeric Accept only Alpha Numeric characters
+
+alpha_dash 		alpha_dash 		Accept only Alpha characters and Dash ( - )
+
+digit 				digit							Checks wheter a string consists of digits only (no dots or dashes).
+
+decimal 			decimal
+							decimal[<digits>,<decimals>] 
+
+regexp 				regexp[/^regular expression$/] 
+														PCRE Regular Expression
+
+match_field 	match_field[otherfield] 	
+														Check if the field has same value of otherfield.
+
+range 	range[<min>, <max>] Check if the field value is in defined range.
+
+
+
+Filters					Description
+----------------------------------------------------------------------
+numeric 				Remove all non numeric characters.
+trim 						Remove all spaces before and after value.
+uppercase 			Transform all characters to upper case.
+lowercase 			Transform all characters to lower case.
+strip_tags			Uses PHP's strip_tags()
+html_entities 	Encodes all entities such as & to &amp;
+