version bump v0.5.0pre
Adding --http option to manage_gitlab_project.py
http_remote added to config.sh
Support pushing to gitlab via http when adding mirrors
Store http credentials for gitlab.
Merge branch 'feature/http-push' into development

Fixes #32
Force option added to updating repositories

Fixes #45
Pruning mirrors available as a config.sh option
Adding mirror option to remote gitlab via git
Be explicit about fetching origin
Merge branch 'feature/prune-mirrors' into development

Fixes #43
Bugfix project creation options not working

Forces lowercase bools when actually making the API call to GitLab.

Fixes #48
More meaningful importerror message for gitlab3

Fixes #47
prerequisites: Spelling correction python-gitlab3
Updating changelog
version bump v0.5.0
Merge branch 'development' release v0.5.0