Add split int hints

[entropidelic]

Closes #183

[codecov-commenter]

Codecov Report

Merging #274 (53228cb) into main (061c955) will decrease coverage by 16.72%.
Report is 45 commits behind head on main.
The diff coverage is 48.11%.

@@             Coverage Diff             @@
##             main     #274       +/-   ##
===========================================
- Coverage   75.29%   58.58%   -16.72%     
===========================================
  Files          20       40       +20     
  Lines        2040     5179     +3139     
===========================================
+ Hits         1536     3034     +1498     
- Misses        453     1895     +1442     
- Partials       51      250      +199     

Files Changed	Coverage Δ
pkg/builtins/builtin_runner.go	0.00% <0.00%> (ø)
pkg/hints/hint_utils/hint_reference.go	99.37% <ø> (ø)
pkg/parser/parser.go	57.89% <0.00%> (ø)
pkg/types/exec_scope_utils.go	0.00% <0.00%> (ø)
pkg/utils/math_utils.go	0.00% <0.00%> (ø)
pkg/builtins/poseidon.go	30.28% <4.00%> (-58.36%)	⬇️
pkg/builtins/signature.go	5.44% <5.44%> (ø)
pkg/vm/program.go	17.94% <14.28%> (-3.27%)	⬇️
pkg/builtins/pedersen.go	19.72% <19.72%> (ø)
pkg/builtins/output.go	24.69% <22.07%> (-62.81%)	⬇️
... and 27 more

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