Wrong output in Theoretical Background: Currying

[bojan]

There are unexpected strings in the output of the add functions:

Lines 4 and 5:

add1(1, 2)
add2(1)(2)
VPA info: plugin is INTEL, AVD_id = 1080004,
AVD_api.Create:0x1126d0385
3

And a bit further, lines 2 and 3:

add3(1)(2)
VPA info: plugin is INTEL, AVD_id = 1080004,
AVD_api.Create:0x103950385
3

[chriseidhof]

Thanks! We'll fix this in the next update.