Fixes problem with phone number with 55 as CC and 55 as DDD

This PR fixes the following test-case: `555599997171 | (55) 9999-7171`.

It is also important to notice that the problem stated on #8 remains as a big problem (at least for those who live in RS - Rio Grande do Sul): they're DDD is 55, which leads us to some problems when differentiating these phone expectations: `5501010202 | 0101-0202` and `5503030404 | (55) 0303-0404`.