Fix get module name from empty string
Fix get module name diagnostic message
Revert version file
Revert "Remove the build type switch for "dub test". See #385."

This reverts commit 2bc77802be0c94e6f01788b3474cc8194f2634a8.

Conflicts:
	source/dub/commandline.d
append a newline when writing dub.selections.json
Fix warnings and errors on git master
LGTM otherwise
Removed trailing spaces
Merge pull request #469 from nordlow/master

Fix DMD git master Warnings and Errors
Merge pull request #458 from gedaiu/master

Fix get module name from empty string
Merge pull request #462 from MartinNowak/newLine

append a newline when writing dub.selections.json
Merge pull request #460 from MartinNowak/fixup385

Revert "Remove the build type switch for "dub test". See #385."
start changelog for v0.9.23
Fixed conflict