increasing test coverage and refactoring specs
adding validations to PreApproval attributes
further refactoring code adding factories, and tweaking pre approval fields based on trial and error
updating readme to document recurring payment
adding .sublime-project to .gitignore
added find method to query
format query custom date interval
adding specs to PagSeguro::Query#find
bumping version to 0.5.1
adding abandoned option to PagSeguro::Query#find, which allows to fetch abandoned transactions
adding gotcha information on README
removing unused assigned variable
fixes exoteric error #10 thanks to @josuetex
Improved core readability for split screen (~80 characters/line).
Removed unwanted whitespaces.
Removed unwanted whitespaces from specs.
Fixed decimal validator regexp with proper string delimiters.
More info: http://www.ruby-doc.org/docs/ProgrammingRuby/html/language.html#UL
Added specs to test price format validator with newlines (\n).
Merge pull request #11 from efmiglioranza/improve-code-readability

Improved code readability.
Removed unwanted whitespaces from code and specs.
Fixed decimal validator regexp with proper string delimiters and added specs.
making changes to increase compatibility with rails 4
adding reference alias method. Closes issue #14