Resource Pack Locks on Zip Update

[[ UPDATE : 1.6.2 ]]
[Error]
"Hot-Patching" a Resource Pack makes it unusable in until the Client Closes.

[Notes]
Same instructions as below, but without the crash.
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[Error]
If you "Hot-Patch" a Resource Pack, the Game Crashes when you try to render the new Data.

[Duplication]
• Open Minecraft and Select a Resource Pack (Example "ZIP")
• Start a Single Player Game / Join Multiplayer****
• Edit a "Out-of-Folder" copy of Resource Pack.
• Copy new zipped file to Resource Pack directory (Confirm Override0
• Minecraft : Open Resource Pack Menu
• Select Default
• Wait for Workload to complete
• Select Zip Resource Pa-CCCCCRASH (Sad Faces all around)

[Notes]
• This used to work before 1.6
• My process / workflow for edits is this :

• Fire up Minecraft and look at Textures (usually in Flat World)

• Edit the files one by one as needed

• Re-Zip file in my Development Directory

• Copy Zip File to Minecraft Directory

• Switch to Default, wait a few Seconds, Switch Back

• View new Content

• Adjust as needed (Repeat Steps until pack is updated)
  • Completely logging out and quitting the Game works, but the process is FAR to long, especially for super fast edits to tweak the smaller things (like Pixel adjustments)
  • 2x Crash Notes Attached (Yes, my Resource Pack is called Zip until done and ready to be shipped).

[Resource File Notes]
• 16x16
• Textures Only (No Sound, Lang, etc)
• FileList Mirrors 1.6.1 FileList (Textures only)
• PNG Files are 32-bit/unCompressed

[Notes]
• If you need anymore data, let me know.