[r151] Loading a tilemap from a JSON string bugged

Link to .capx file (required!):

dl.dropboxusercontent.com/u/42130147/construct2/tilemapjsonbug.capx

Steps to reproduce:

1. Add a Tilemap plugin to the project and draw some tiles.

2. Save the tilemap to a JSON string.

3. Load the tilemap from the JSON string created in the previous step.

Observed result:

The loaded tilemap is garbled.

Expected result:

The tilemap should look the same after saving and loading.

Browsers affected:

Chrome: yes

Firefox: yes

Internet Explorer: yes

Operating system & service pack:

Windows 7 64bit, Service Pack 1

Construct 2 version:

r151

Thanks, should be fixed in next build.