Fixing hyperrectangle and hypersphere intersection checks
Bugfix in rotating through dimensions, bugfix in pivot selection when equivalent medians exist. Will infinite loop on duplicates.
Tests on median pivots and backing up the tree in NN search, bugfixes to boot
Hyperrectangles fixes
Throw overflow exception so exact duplicate nodes don't loop forever
increase php version coverage on travis
readme tidy up and composer.json improvements
Fix namespacing on exceptions and javascripty string concatenation
Added myself to authors in composer.json
Merge pull request #7 from MichaelRFairhurst/master

Multiple bugfixes