Merge pull request #65 from rjhaveri/master

Added support for Rwanda phone numbers
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+ 1.8.4
Update lib/phony/countries.rb

1) sometimes operators send characters in the number. For example, they change '*' to 'b'.
2) mobiles starts with 5, 81, 82. 70- should be old prefix for Tartu
tests are passing
removed wrong test
better view
Improvements to the brazilian phone format
Merge pull request #68 from kritik/master

fixed Estonian mobiles
Merge pull request #69 from knorrium/brazil-improvements

Improvements to the brazilian phone format
+ 1.8.5
added support for Zambia and mobile numbers for Kenya