update tasks

Author: Byron

README.md

@@ -46,7 +46,6 @@ The CLI uses various libraries to implement
     * [x] streaming write
   * **packs**
     * [x] traverse pack index
-    * [ ] traverse pack entries
     * [ ] decode
       * [x] full objects
       * [x] deltified objects

tasks.md

@@ -6,8 +6,16 @@
 * [x] stream blob
 * [ ] refactor ID into NewType
 * **pack**
+   * [ ] validate checksum
    * [x] decode full pack entries
-   * [ ] iterate pack entries
    * [x] decode full objects
    * [x] decode delta objects
+* **index**
+   * [ ] validate index checksum
+   * [ ] validate pack checksum
+   * [ ] validate each object sha1/crc2
+* **gio**
+   * [ ] validate pack file
+   * [ ] validate index and pack
+   * [ ] verbose mode to list each object in pack, similar to existing git-verify-pack