The transform number input code allowed to keep typing forever. That's nice
but the code uses floats to store values, so there's a limit of 7 digits
resolution to take care of. I've added this limit now, it will stop when
the 8th digit was typed, giving a range of 100 million, quite OK for
Blender measures.
There was also a short in use for values between 0 and 1, causing an error
when you try to type like 0.99999. Here I've added a limit of 7 digits.
8a34cbe41f