Fix example in README.
Update README.md
Copy fix.
Add assert_url / assert_email / assert_member.
Add tests for all the new validations.
Regex security issue: Protect from multiline entries.
Merge pull request #2 from cyx/master

Add extra assertions.
Make the error codes more consistent:

- not_valid instead of invalid
- not_in_range instead of out_of_range
Add documentation for all the assertions.
Merge pull request #3 from cyx/master

Consistency for error codes, add assertion documentation.
List error codes as symbols.
Complete list of assertions in validations.rb.
Use slicing for transforming instance variable names.
Change description of example in README.
Correct typo.
Formatting changes.
Don't abuse the LOAD_PATH when it isn't necessary
Remove misplaced commentary.
Add `slice` method for retrieving only some key/value pairs.
Release.