update changelog

TODO

@@ -1,13 +1,11 @@
 task right now: get a 0.5.0 release
-fix these two bugs
+fixed these
   https://github.com/JakeWheat/simple-sql-parser/issues/7
   https://github.com/JakeWheat/simple-sql-parser/issues/8
-work on this one?
   https://github.com/JakeWheat/simple-sql-parser/pull/19
-is this one fixed now?
+  https://github.com/JakeWheat/simple-sql-parser/issues/18
+this one is fixed now, need postgres dialect atm
   https://github.com/JakeWheat/simple-sql-parser/issues/15
-review alters, and think about adding rename versions
-  https://github.com/JakeWheat/simple-sql-parser/issues/20
 update changelog
 test with different ghcs
 do release
@@ -16,6 +14,10 @@ do release
 
 medium tasks next release
 
+review alters, and think about adding rename versions
+  which are really common and useful, but not in ansi
+  https://github.com/JakeWheat/simple-sql-parser/issues/20
+
 syntax from hssqlppp:
   query hints, join hints
 

changelog

@@ -1,4 +1,5 @@
-0.5.0 (not released yet, updated to commit 92c537fce2b348ea3f6af322b5b1a4fa46917e17)
+0.5.0 (not released yet, updated to commit 8e9b9edd0c293b67197e5679e728653477ecafc6)
+        update to work with ghc 8.6.5
 	rename some of the modules Lexer -> Lex, Parser -> Parse
 	add a separate lexer to simplify code and speed up parsing
 	replace SqlIndent with new tool, SimpleSqlParserTool (amazing
@@ -32,6 +33,12 @@
 	  app(something)} and {oj t1 left outer join ... }
 	rename ValueExpr -> ScalarExpr (I think scalar expression is
 	  slightly less incorrect)
+        rename CombineQueryExpr to QueryExprSetOp and CombineOp to SetOperatorName
+        use explicit data type for sign in interval literals
+        add comments to statement syntax (aimed at codegen)
+        add support for oracle type size units 'char' and 'byte', example: varchar2(55 byte)
+        updated the makefile to use cabal v2 commands
+        fix for parsing window functions with keyword names
 0.4.4
 	tested with ghc 8.2.1 and 8.4.3
 0.4.3