Ability to generate `sourceMapIn` when just one `src`.
One can now pass a function for the `sourceMapIn` option. It only makes sense when there's one source file, so an exception is thrown when no or multiple source files will be passed to Uglify.
Adding tests.
Not sure how to OK the exception in case of multiple source files.
Updating README.
Fixing double quotes.
Add support for enclose option.
Compiling all files in a folder dynamically
added negative test case
added negative test case
Merge branch 'support-enclose-option' of https://github.com/jharding/grunt-contrib-uglify into jharding-support-enclose-option

* 'support-enclose-option' of https://github.com/jharding/grunt-contrib-uglify:
  Add support for enclose option.
added explicit run for uglify:enclose, added documentation to /docs
Merge branch 'master' of https://github.com/leonardosouza/grunt-contrib-uglify into leonardosouza-master

* 'master' of https://github.com/leonardosouza/grunt-contrib-uglify:
  Compiling all files in a folder dynamically
added docs to /docs - reran build
added support for preamble and banners in uglified files with sourcemaps
updated changelog
0.2.6
prepending banner manually if sourceMap not set, closes #109
updated changelog
0.2.7
Update copyright year in license
Fix options formatting in docs