Fix parsing of "==~branch" style dependency version specifiers.

Fix handling of remaining command line arguments (broken by previous commit).

Error out when excessive command line arguments starting with "-" are encountered.

Little doc clarification.

Use "%2B" to replace "+" in URLs when downloading packages. ...

This is not needed for code.dlang.org, but it's the correct approach in general.

Throw an exception when downloading using cURL fails.

Avoid using the deprecated canFind function.

Fix handling of targetType none packages and automatically treat packages with no source files as targetType none.

Fix triggering an enforcement for Version.INVALID.

Remove redundant dependency tree rebuilds.

Determine the version of the package in the root dir properly instead of assuming ~master.

Emit proper error message when trying to build a sourceLibrary.

Update README.

Fix the path-subpackage-ref example.

Change path based sub package definitions to use a string instead of an object entry.

Remove main file detection for library configurations and don't let <packname>/<packname>.d match as a main file anymore.

Make the warning message for non-existing locals more helpful.

Fix null pointer access for non-existent locally registered packages and output a warning.

Fix the check and error message for an existing DUB package in the selected root.

Don't try to add references to package description files of sub packages into VisualD projects. Fixes #216.

Add some test packages.

The externally defined sub-packages don't have the name declared in the base package. This eliminates the double definition of a sub-packages name.

Don't try to determine the default configuration before downloading all dependencies. Fixes #213.

Fix Package.toJson and improve diagnostic output in case of JSON parsing errors.

Fix check for looking only at base packages in PackageManager.getPackage. Fixes #214.

Save all data from the package description when serializing. This fixes build problems which became apparent after the switch to the new "dub.json" as primary project description file.

Fix the link order of dependencies (working for --as-needed).

Fix Project.getDefaultConfiguration to take the whole dependency tree into account.

Update change log.

Only copy DDOX resources if newer on Posix.