Oracle enhanced adapter version 1.4.2.rc2 is released

[Edgars Beigarts]

Bug fixes:

• Do not consider the numeric attribute as changed if the old value is zero and the new value is not a string [#247]
• Removed table_name_prefix and table_name_suffix when schema dumper executed [#248]
• Remove_column should raise an ArgumentError when no columns are passed [#246]
• Don't dump type for NUMBER virtual columns [#256]
• Address :returning_id column should be of type Column [#274]
• Migrated versions should be dumped in order [#277]
• Always write serialized LOB columns [#275]
• Truncate the schema_migrations index [#276]
• Split paths on windows machines in the right way [#231]