Don't run shell command when '--no-write' option set
Switch to SemVer 2.x

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Add pre-release to README with some details about alphanumeric identifier
release 0.4.0
grunt.write doesn't exist, use grunt.verbose.write
prettier logging
more docs about --no-write option
Merge branch 'pr/29'

Conflicts:
	README.md
test: change test setup so that grunt-release can use itself to release
release 0.5.0
feature: support npm publish --tag
docs: add section about releasing unstable/beta versions
release 0.5.1
Bump version in multiple files (with a multitask)