Merge pull request #4 from isaacdvid1596/isaacbranch

Update README.md

updated lvm visitors, first test passes and generated irl and lvm code

updated cases and fixed bugs with statements

function scope vars now added to symbol table

updated cases and adding var declarations from function scope

updated main and test cases, move some comments from semantic analysis

most semantic analysis working on all tests

updated test files

update test3

renamed test filed and now able to separate reals from numbers

semantic analysis now recognizing chars when comparing array types

array and value type are being compared, needs fix

compiler semantic now detects type of array

lvm ir and code generation partially working, work on other cases