expression parsing, sorted list, tree, other shit; bump to 0.10

src/main/kotlin/blitz/parse/Operator.kt

@@ -0,0 +1,7 @@
+package blitz.parse
+
+data class Operator(
+    val symbol: Char,
+    val precedence: Int = 0,
+    val leftAssociative: Boolean = true,
+)