[docs] update ChangeLog

docs/ChangeLog

@@ -1,12 +1,23 @@
 New in 2010.04 release
++ interpolation of expression ending in postcircumfixes into double-quoted
+  strings (for example "cards: @cards.sort()")
 + prefix and postfix hyper operators
 + multi subs now work properly when lexically scoped
 + implemented item assignment with tighter precedence than the comma operator
++ loading of .pm6 modules
 + Basic implementation of Numeric and Real roles
++ implementation of DateTime and Date built-in types
 + named regexes can be declared outside of grammars again
 + support for numbers with arbitrary radix, including fractional numbers (:16<DEAD.BEEF>)
-+ implemented fmt(), printf() and note() built-in functions
++ implemented fmt(), printf() note() and IO.getc built-in routines
 + infix meta operators now inherit the precedence of the modified operator
++ &[+] short name for infix operators
++ hash slices
++ signature literals
++ more consistent implementation of prefix:<|> for interpolating things into
+  signatures
++ better error message on accidental usa of Perl 5 features such as << as
+  bit shift operators, and catch many perl 5 magic variables
 
 New in 2010.03 release
 + The trigonometric functions and the Rat class have received numerous