update changelog

changelog.md

@@ -1,4 +1,5 @@
-## v0.20.0 - XX/XX/2018
+## v0.20.0 - XX/XX/2019
+
 
 ### Changes affecting backwards compatibility
 
@@ -26,6 +27,7 @@
 - `getImpl` on a `var` or `let` symbol will now return the full `IdentDefs`
   tree from the symbol declaration instead of just the initializer portion.
 
+
 #### Breaking changes in the standard library
 
 - `osproc.execProcess` now also takes a `workingDir` parameter.
@@ -57,6 +59,13 @@
 
 - `isNil` is no longer false for undefined in the JavaScript backend: now it's true for both nil and undefined. Use `isNull` or `isUndefined` if you need exact equallity: `isNil` is consistent with `===`, `isNull` and `isUndefined` with `==`.
 
+- several deprecated modules were removed: `ssl`, `matchers`, `httpserver`,
+  `unsigned`, `actors`, `parseurl`
+
+- several poorly documented and not used modules were moved to graveyard
+  (they are available as Nimble packages): `subexes`, `scgi`, `smtp`, `oids`
+
+
 #### Breaking changes in the compiler
 
 - The compiler now implements the "generic symbol prepass" for `when` statements
@@ -97,13 +106,16 @@ proc enumToString*(enums: openArray[enum]): string =
   is instantiation of generic proc symbol.
 
 - Added the parameter ``isSorted`` for the ``sequtils.deduplicate`` proc.
+
 - There is a new stdlib module `std/diff` to compute the famous "diff"
   of two texts by line.
 
 - Added `os.relativePath`.
+
 - Added `parseopt.remainingArgs`.
+
 - Added `os.getCurrentCompilerExe` (implmented as `getAppFilename` at CT),
-  can be used to retrive the currently executing compiler.
+  can be used to retrieve the currently executing compiler.
 
 
 ### Library changes
@@ -128,10 +140,12 @@ proc enumToString*(enums: openArray[enum]): string =
 - `os.joinPath` and `os.normalizePath` handle edge cases like ``"a/b/../../.."``
   differently.
 
+- `securehash` is moved to `lib/deprecated`
+
 
 ### Language additions
 
-- Vm suport for float32<->int32 and float64<->int64 casts was added.
+- Vm support for float32<->int32 and float64<->int64 casts was added.
 - There is a new pragma block `noSideEffect` that works like
   the `gcsafe` pragma block.
 - added os.getCurrentProcessId()
@@ -140,6 +154,7 @@ proc enumToString*(enums: openArray[enum]): string =
   pragmas for further analysis by macros
 - Custom pragmas are now supported for `var` and `let` symbols.
 
+
 ### Language changes
 
 - The standard extension for SCF (source code filters) files was changed from
@@ -161,7 +176,9 @@ proc enumToString*(enums: openArray[enum]): string =
 - `nimpretty`: --backup now defaults to `off` instead of `on` and the flag was
   un-documented; use `git` instead of relying on backup files.
 
+
 ### Compiler changes
 - The deprecated `fmod` proc is now unavailable on the VM'.
 
+
 ### Bugfixes