Fixed bug where no parameter function calls were not typechecked and function/struct name collision. Improved regex library to where it can do straight-line regexs

tests/test_sameName.krak

@@ -5,6 +5,8 @@ import sameNameTwo
 var sameVar: int;
 fun sameFun(): int { return 4; }
 
+fun classTester(): int { return 10; }
+
 obj classTester {
     fun method(): int {
         return 7
@@ -32,5 +34,7 @@ fun main(): int {
     println(class2.method())
     println(class3.method())
 
+    println(classTester())
+
     return 0
 }