Support more types in json encoding.

[delucchi-cmu]

Change Description

Pretty-print healpix pixel, using string-ification.

Detect numpy types and convert to regular python types for friendlier printing.

Code Quality

• [x] I have read the Contribution Guide
• [x] My code follows the code style of this project
• [x] My code builds (or compiles) cleanly without any errors or warnings
• [x] My code contains relevant comments and necessary documentation

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 93.66%. Comparing base (ace187d) to head (5f40c07).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #279 +/- ## ========================================== + Coverage 93.64% 93.66% +0.02% ========================================== Files 57 57 Lines 1966 1973 +7 ========================================== + Hits 1841 1848 +7 Misses 125 125 ```

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[github-actions[bot]]

Before [ace187d9]	After [70b3618c]	Ratio	Benchmark (Parameter)
125±0.3ms	125±1ms	1.01	benchmarks.time_test_alignment_even_sky
983±4μs	990±5μs	1.01	benchmarks.time_test_cone_filter_multiple_order
78.7±0.2ms	77.8±0.4ms	0.99	benchmarks.MetadataSuite.time_load_partition_info_order7
78.5±1ms	77.5±0.8ms	0.99	benchmarks.MetadataSuite.time_load_partition_join_info
13.5±0.3ms	13.3±0.1ms	0.99	benchmarks.Suite.time_inner_pixel_alignment
368±2ms	365±3ms	0.99	benchmarks.Suite.time_outer_pixel_alignment
41.9±0.4ms	41.7±0.7ms	0.99	benchmarks.Suite.time_pixel_tree_creation
18.9±0.4ms	18.6±0.2ms	0.98	benchmarks.MetadataSuite.time_load_partition_info_order6
84.7±2ms	82.7±2ms	0.98	benchmarks.Suite.time_paths_creation

Click here to view all benchmarks.