Failing to generate report with rizin

**Describe the bug**
Analysis fails when using rizin as core library.
```
File "../quark-engine/quark/core/rzapkinfo.py", line 79, in _get_methods_classified
class_name, method_descriptor = full_name.split(".method.", maxsplit=1)
ValueError: not enough values to unpack (expected 2, got 1)
```

**To Reproduce**
Steps to reproduce the behavior:
1. Run quark-engine on this apk (https://github.com/quark-engine/apk-malware-samples/blob/master/Ahmyth.apk) with rizin as core libary
` quark -a ~/Downloads/Ahmyth.apk -s --core-library rizin`

**Expected behavior**
Generate report without any error

**Desktop (please complete the following information):**
- OS: Pop!_OS (Debian)
- Rizin (git https://github.com/rizinorg/rizin/commit/85c00053e08dce8b526717e12d15691a4d448be8)
- Quark engine (latest git https://github.com/quark-engine/quark-engine/commit/332ebd565be5b876092f2a3f557a63a66751651e)