Fix order of loading files in tests, fixes #14

[mpapis]

The following line:

Dir[lib+"/**/*.rb"].each{|file| require file }

can have system dependent ordering, adding extra:

require "pluginator"

should ensure proper order of loading classes.

[coveralls]

Coverage remained the same at 100.0% when pulling 9b989e6802aa1ad6507245e0db6a3ae17b84569c on bugfix/ensure-order-of-loading-files-in-tests into e205d0e69334e3789f48f20c6c4d4f9b3fdaaf2f on master.

[logicminds]

This seems to fix the original issue. However, I am now getting other errors. Looking into those errors now.

[mpapis]

share the errors, I might be able to help :)

[mpapis]

@logicminds ping :)