Merge pull request lcompilers#1906 from certik/loc_fix

Fix ExternalSymbol location

Merge pull request lcompilers#1812 from certik/unsigned5

lpython.py: handle unsigned integers everywhere

Merge pull request lcompilers#1775 from certik/uint4

Implement unsigned arrays support

Merge pull request lcompilers#1741 from certik/cli

Allow multiple -I flags

Merge pull request lcompilers#1520 from Shaikh-Ubaid/wasm_global_section

WASM: Support global section

Merge pull request lcompilers#1432 from certik/rtlib1

Fix paths to the runtime library header files

Make is_dataclass robust (lcompilers#1385)

Support defining Union inside a ``dataclass`` (lcompilers#1362)

Merge pull request lcompilers#1361 from Shaikh-Ubaid/wasm_x64_local_g…

…et_set

WASM_X64: Support local variables

Pointers in emulation mode (lcompilers#1336)

The syntax was changed from a subroutine to a function and AST->ASR updated. Works in emulation, LLVM and C modes.