Allow unnamed modules

[eriese]

Currently, marking a component inside of a .vue file with `/** @module */ without providing a full longname results in a parser-inferred longname ending with ".module:vue" which means the inferred shortname is "vue". All its members then also have ".module:vue" in their longname.

I fixed that because I don't want to have to explicitly declare module names, especially in deeply nested files. This also allows the documentation to automatically update when modules are refactored and moved.

[codecov-io]

Codecov Report

Merging #185 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #185   +/-   ##
=======================================
  Coverage   70.83%   70.83%           
=======================================
  Files           5        5           
  Lines          48       48           
  Branches       11       11           
=======================================
  Hits           34       34           
  Misses         11       11           
  Partials        3        3

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[Kocal]

Thanks for your contribution, would you add some tests before I review your PR?

I will try to give me some time this week-end to check it! 🙂