Parameterised init and methods #7282

Job	Run time
Check Debug build	1m 36s
Build LPython to WASM	5m 41s
Test CPython Interop (@pythoncall)	1m 41s
LPython CI (3.10, ubuntu-latest)	10m 9s
LPython CI (3.10, macos-latest)	17m 25s
Run Integration tests with Python 3.9	1m 49s
Run SymPy tests	2m 17s
LPython CI (3.10, windows-2019)	18m 45s
Check Release build	2m 13s
Run Integration tests with Python 3.10	1m 40s
Run Integration tests with Python 3.11	1m 37s
Test PIP Installable Packages	1m 22s
Run Integration tests with Python 3.12	1m 42s
Upload Tarball	38s
	1h 8m 35s

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