Fix compiler errors on DMD 2.063.2.

Implement individual building of dependencies.

Warn about missing "mainSourceFile" only for executable configurations.

Avoid casting RegistryPackageSupplier[] to PackageSupplier[]. Fixes #186.

Make "dub test" work for library configurations without a "mainSourceFile".

Use an existing "unittest" configuration for "dub test" by default.

Fix "mainSourceFile" to be emitted for Project.addBuildSettings with the "shallow" parameter set. ...

Fixes "dub test" for library targets.

Implement the "test" command.

Output a warning if no main source file is defined.

Revamp the command line interface with cleanly separated command implementations.

Avoid fetching the same package multiple times when sub packages are used.

Fix naming convention of PlacementLocation.

Only install pre-release versions with "dub upgrade --prerelease" if release versions are also available.

Don't upgrade unmanaged packages. Fixes #171. ...

Also renames Action.Type.get to fetch.

Adjust style of dub.internal.vibecompat.data.json to latest vibe.d and use vibe.data.json if available.

Move PlacementLocation to the proper module.

Fix up-to-date tracking of import and string import files.

support of environment variables inside package.json

Remove dub.internal.std.process compatibility code as it doesn't support browse() and the compile status on older DMD versions isn't tracked anyway.

Remove 'installation' references. ...

Change dub wording to stop referring package retrieval as installation, both in code and commands.

Make "dub build --build=ddox" work for any target type and avoid including dependencies in the documentation. Fixes #142.

Use the exact dependencies instead of base packages for missing dependency resolution. Fixes #140.

Output a proper error message when trying to build a "sourceLibrary".

Implement building of specific packages, including sub packages.

Move dub.utils to dub.internal.utils and update copyright dates.

Fix compilation.

Moved Journal into packagemanager.d. Removed Project.writeMetadata as it is not used. Documentation typos and updates.

Improve log messages.

Avoid redundant dependencies and .lib dependencies in generated VisualD projects if possible. ...

Any redundant dependency can cause "multiple definition" linker errors.

Reducing log spam