fixed bug on line 214- missing parenthesis
Update README.md
added vla beams
Added Gitter badge
Merge pull request #7 from gitter-badger/gitter-badge

Add a Gitter chat badge to README.md
add license, fixes issue #8
Merge pull request #10 from gijzelaerr/master

add license, fixes issue #8
Merge pull request #12 from ska-sa/master

merging minor fixes from master