feat: cast params

[wey-gu]

To cast param map from primitive to thrift bytes

What type of PR is this?

• [ ] bug
• [ ] feature
• [x] enhancement

What problem(s) does this PR solve?

Issue(s) number: #273

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 52.63158% with 18 lines in your changes are missing coverage. Please review.

Project coverage is 75.02%. Comparing base (08e6e93) to head (954f33a). Report is 1 commits behind head on master.

Files	Patch %	Lines
nebula3/gclient/net/base.py	52.63%	18 Missing :warning:

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #349 +/- ## ========================================== - Coverage 75.36% 75.02% -0.34% ========================================== Files 19 19 Lines 2667 2707 +40 ========================================== + Hits 2010 2031 +21 - Misses 657 676 +19 ```

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[wey-gu]

• [x] coverage
• [x] example/docs

[BeautyyuYanli]

Some changes:

• method BaseExecutor.execute_py_params to use this feature
• not support list and dict yet

[wey-gu]

Some changes:

• method BaseExecutor.execute_py_params to use this feature

• not support list and dict yet

It's fair to separate the two for performance concern 👍.

But why not support List? That's actually my initial motivation of such change😋😂

[BeautyyuYanli]

But why not support List? That's actually my initial motivation of such change😋😂

The current usage for NList is wrong and I do not yet find the correct way to use NList

[wey-gu]

Aha, got it, :-p

Should be somewhere I made it wrong, but this was verified working, I'll continue this part later when I have some time.

[BeautyyuYanli]

fixed NList