add roadmap

ext/phar/TODO

@@ -0,0 +1,18 @@
+Version 1.0.0
+
+ * implement metadata in manifest as [metadatacount8][type32][len16][metadata...]
+ * if SPL is disabled, disable the Phar class
+ * implement in-phar locking, so that a file that is opened for reading can't have
+   a handle opened for writing
+ * docs on file format/manifest description
+ * docs on uses
+ * support stream context for specifying compression of a file, as well as meta-data
+ * add setUncompressed(), setCompressedGZ() and setCompressedBZ2() to PharFileInfo class
+ * add uncompressAllFiles(), compressAllFilesGZ() and compressAllFilesBZ2() to Phar class
+ * add setMetaData($key, $contents) to PharFileInfo
+ * add getMetaData($key = null) to PharFileInfo
+ * always throw exceptions from the Phar object, and E_RECOVERABLE_ERROR from streams interface
+ 
+Version 1.1.0
+
+ * implement GPG signing