Fix potential SEGV when one connection is used by more than
two threads and temporary lobs are freed by GC.
Fix ruby version checking in binary gem.
Gem::ruby_version of ruby 2.0.0p195 is 2.0.0.195, which doesn't match '= 2.0.0'.
close #36
OCI8#describe_synonym and OCI8#describe_any accept 'PUBLIC.XXX' as a public synonym name.
Add tests for OCI8#describe_synonym.
Fix to bind object types by name as OCI8::Cursor#bind_param(pos, val, :named_type, typename).
Use MiniTest instead of Test::Unit.
Support package type description. It is a new feature of Oracle 12c.