Made history longer

It was too short, i always needed to retype long commands
Made Histrory Length a EnvVar

Well, there is it!
fixed random stuff

well, title states.
and there is some random binary for you:
11000011 01011101
10101110 11001111
00100011 00110110
01011000 01110101
11101111 11010100
11100101 10010011
00011001 11100101
10000101 10100000
11011001 01110110 10000111 00111000 00010000 10011001 10100111 10111100
10000101 00010000 01010010 10111101 10011101 00010101 10010001 00001101
10110100 10101111
00110001 11010101
01011010 11000000
00000100 10101011
01011111 11001111
Merge git://github.com/Wuerfel21/OpenComputers
Actually using the TMPDIR env var where relevant.
Merge branch 'master' of github.com:MightyPirates/OpenComputers into MC1.7