0.6.0: When lockKey longer then branch_table, global lock will not unlock

[zhenjing]

• I have searched the issues of this repository and believe that this is not a duplicate.

Ⅰ. Issue Description

When addBranch fail, locker don't unlock normally.

DefaultCore line 76：

try {
globalSession.addBranch(branchSession);
} catch (RuntimeException ex) {
branchSession.unlock();
throw new TransactionException(FailedToAddBranch);
}

Ⅱ. Describe what happened

If there is an exception, please attach the exception trace:

Just paste your stack trace here!

Ⅲ. Describe what you expected to happen

Ⅳ. How to reproduce it (as minimally and precisely as possible)

1. xxx
2. xxx
3. xxx

Ⅴ. Anything else we need to know?

Ⅵ. Environment:

• JDK version :
• OS :
• Others:

[romeoblog]

Please attach the exception trace