[1.9] Objectives with capital letters are unable to be used in target selectors

Verification Build: 1.9.0.0 Beta 1

Partner Rank: 3

Summary:
It appears that you cannot use objective names that have a capital letter in them in target selector arguments. 

Impact:

Broken systems. Objectives that previously functioned no longer function.

Repro Steps:

1. Create a new world
2. /scoreboard objectives add cutsceneTimer dummy
3. /scoreboard players set @p cutsceneTimer 1
4. /testfor @p[scores=\{cutsceneTimer=1}]
5. Observe the bug

Observed Results: 

Syntax error: Unexpected "cutsceneTimer": at "p[scores=\{>>cutsceneTimer<<=1}]"

Expected Results: 
Target found.

Screenshots/Videos attached: 

No