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_conversions.expected_results

@@ -1 +1,2 @@
 A
+66

tests/test_conversions.krak

@@ -4,5 +4,6 @@ import conversions:*
 
 fun main():int {
     println(to_char(65))
+    println(to_int('B'))
     return 0
 }

tests/test_regex.expected_results

@@ -1 +1,2 @@
-a
+2
+0

tests/test_regex.krak

@@ -2,8 +2,8 @@ import io:*
 import regex:*
 
 fun main():int {
-    var reg = regex("a")
-    println(reg.regexString)
-    println(reg.long_match("a"))
+    var reg = regex("ab")
+    println(reg.long_match("abab"))
+    println(reg.long_match("aab"))
     return 0
 }

tests/test_sameName.expected_results

@@ -7,3 +7,4 @@
 7
 8
 9
+10

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
 }