0.2.1: Last namespace separator is not removed

Because the count function was used to determine the length of the FQNN the last character
was not correctly determined. This was remedied by replacing the count function with strlen.

Fixes https://github.com/phpDocumentor/TypeResolver/issues/26

0.2: Merge pull request #18 from hboomsma/feature/php71_compat

Rename Void to Void_ since it is a reserved keyword in PHP7.1

0.1.7: Merge pull request #16 from dunglas/fix_context_factory

Fix file_get_contents warning in ContextFactory

0.1.6: Merge pull request #10 from asgrim/improvements-for-pr9

Improvements for #9

0.1.5: Merge pull request #9 from asgrim/ignore-class-trait-usage

Ignore any tokens within classes when looking for namespaces