Compile 0.41 - 'times' keyword added and character '&' added

- Times allows to copy a block of code 'x' times.
Syntax:
times x
... code ...
endtimes

Example:
times 5
push bx
mov bx,1
mov ax,bx
pop bx
endtimes

- Character '&' corresponds to 'newline', which allows to write multiple
instructions in one line.
Example:
mov ax,bx & mov cx,ax