LoadAllPackages.jl loads all packages

Usage:

• LoadAllPackages.loadall(): Load all packages installed in the current project.
• LoadAllPackages.loadall("/PATH/TO/Project.toml"): Load all packages installed in /PATH/TO/Project.toml.
• LoadAllPackages.@loadall("PATH/TO/Project.toml") Load all packages installed in joinpath(@__DIR__, "PATH/TO/Project.toml").