Clarified error message when count of @param tags != count method params
bug #76 Clarified error message when count of @param tags != count method params (petert82)

This PR was squashed before being merged into the 1.4-dev branch (closes #76).

Discussion
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Clarified error message when count of @param tags != count method params

Hi, the old message for the case where the number of @param tags was not equal to the number of parameters that a method actually has was not especially clear. Hopefully this version is slightly easier to understand!

Commits
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f86396e Clarified error message when count of @param tags != count method params