Register v0.3.4

[Marco-Congedo]

@JuliaRegistrator register

[JuliaRegistrator]

Error while trying to register: "Tag with name 0.3.3 already exists and points to a different commit"

[Marco-Congedo]

@JuliaRegistrator register

[JuliaRegistrator]

Registration pull request created: JuliaRegistries/General/3347

After the above pull request is merged, it is recommended that a tag is created on this repository for the registered package version.

This will be done automatically if Julia TagBot is installed, or can be done manually through the github interface, or via:

git tag -a v0.3.4 -m "<description of version>" 7f138f97e0c4e1e293b71e7ca376df84806246c7
git push origin v0.3.4