Feature: support constructor with default arguments

[damianogiusti]

Description

This PR implements the requested feature of skipping constructor parameters that are declared with a default value (#54).

Changelist:

• Add name and hasDefault values to the KoinMetaData.ConstructorParameter class to keep track of those info during code generation;
• Filter out constructor parameters that have a default value;
• Add the param name when generating the definition to disambiguate when parameters with default values are places between others that don't have default values.

[damianogiusti]

Hi @arnaudgiuliani, do you think this feature will be a good candidate to be included in the next Koin Annotations release? I believe it will be useful for a lot of users out there. Thanks!

[arnaudgiuliani]

thanks for you proposal, interesting case. I will take time to review it 👍

[arnaudgiuliani]

Reschedule it for next version, not 1.2.1 as it's for fixes of 1.2 👍

[arnaudgiuliani]

your work is transferred on feature/constructor-with-default-arguments, I have solved the conflicts and breakings.

[arnaudgiuliani]

PR is continued in #91