fix: if a line contains multiple # characters, there will be issues w… (#238)

* fix: if a line contains multiple # characters, there will be issues when traversing from back to front

* fix: typo

parser.go

@@ -143,9 +143,9 @@ func extractVarValue(src []byte, vars map[string]string) (value string, rest []b
 		}
 
 		// Work backwards to check if the line ends in whitespace then
-		// a comment (ie asdasd # some comment)
-		for i := endOfVar - 1; i >= 0; i-- {
-			if line[i] == charComment && i > 0 {
+		// a comment, ie: foo=bar # baz # other
+		for i := 0; i < endOfVar; i++ {
+			if line[i] == charComment && i < endOfVar {
 				if isSpace(line[i-1]) {
 					endOfVar = i
 					break