Improve error message. AN-1063

Update README. Also make sure that going 'to' a down migration won't run the named migration, but up will. AN-1063

Update gem description and summary. AN-1063

Add future possible features to README. AN-1063

Add copyright notice. AN-1063

Fix default port number and pass port through as an option correctly. AN-1063

Use non-prepared statements -- prepared seem to have problems when creating new keyspaces and column families in production. AN-1063

Finish debugging well enough for current Hoffa migrations to work. AN-1063

Remove unused keyspace parameter. AN-1063

Debug until dry run seems to work. AN-1063

Debug heavily, add dry-run mode. AN-1063

Hook up migration library to command-line utility. AN-1063

Finished first draft. AN-1063

WIP: migrations

Initial commit.