v0.14.0

What's Changed

• C/LLVM: Fixes with dict get by @Smit-create in #1700
• LLVM: Refactor to use cleaner create_if_else by @Smit-create in #1742
• Fix user import when it overlaps with runtime library modules by @Shaikh-Ubaid in #1743
• Assign the _lpython_argv() value to a global list[str] variable by @Thirumalai-Shaktivel in #1679
• Initial support for callbacks by @Smit-create in #1726
• Modify the return_var in the existing Function_t instead of creating a new one by @Thirumalai-Shaktivel in #1745
• Initial implementation of String Validation Methods by @harshsingh-24 in #1747
• C: Support header files in ccall by @Smit-create in #1731
• PIP: Support using packages installed via pip by @Shaikh-Ubaid in #1739
• Register more Intrinsic Trig Functions by @faze-geek in #1754
• Fix empty list assignment by @Smit-create in #1755
• Register Partition in IntrinsicFunction by @Thirumalai-Shaktivel in #1673
• Improve performance of exp() and exp2() by @gptsarthak in #1712
• ASR: Support modules in json format by @Shaikh-Ubaid in #1752
• PKG: Add linear regression package by @Shaikh-Ubaid in #1751
• Make i32/i64 convert float to int in CPython by @Shaikh-Ubaid in #1761
• ASR: Keep strings unescaped in AST, ASR by @Shaikh-Ubaid in #1762
• CI: Install and use lpython as a package by @Shaikh-Ubaid in #1763
• ASR: Support UnaryOp in attr bit_length() by @Shaikh-Ubaid in #1768
• Add unsigned int types by @Smit-create in #1764
• Add unsigned integer support to C backend by @certik in #1769
• @jit interface for LPython by @harshsingh-24 in #1708
• Add a test for all unsigned types by @certik in #1770
• Implement --get-rtl-dir by @certik in #1772
• Implement unsigned arrays support by @certik in #1775

Full Changelog: v0.13.0...v0.14.0