Fix size retrieval for NCHAR and NVARCHAR
CORE-1989 Cannot set objectQuotingStrategy on root databaseChangeLog node
New version of vagrant uses .exe file on windows
Merge pull request #290 from xpoinsard/oracleNvarcharSize

Fix size retrieval for NCHAR and NVARCHAR
Merge remote-tracking branch 'origin/3.2.x'
CORE-1988 Reported size for Oracle NVARCHAR2 columns is wrong