Add logging notes to ConnectionPool.error_log()
Implementation of get_range_by_token() and RangeTokenColumnFamilyIterator
works only with Cassandra 1.1.7 and above
Merge pull request #107 from nmmmnu/master

cf->get_range_by_token() and RangeTokenColumnFamilyIterator
Minor cleanup on RangeTokenCFIterator
Merge pull request #106 from mNantern/master

Multiple TTL for batch_insert
Update AUTHORS
Remove extra whitespace
Bump version to 1.0.a.6, update changelog
Fix license in composer.json (should be MIT)

Fixes #108
Correct packing of subcolumn names in super column methods

Fixes #109

Subcolumn names (either as part of a slice predicate or an explicit
set of subcolumn names to fetch) were being packed with the super
column comparator in all functions specifically meant to deal with
super columns.
Fix get_range infinite loop when using ARRAY_FORMAT

When the column family return format was ARRAY_FORMAT,
the next start key was not being set correctly, so the same
chunk of rows would be fetched over and over again.
Fix array lookup syntax error in php 5.3
Adding support for ttl by column in insert