Fixed spacing in iscomposing.py

Ignore-this: ac4f92559a7ad0b64a0d16a61524c892

darcs-hash:20091116123449-b22ec-a68868d285ac5b8ab56fc2191a5d1222fe58aace
Fixed instance types for StateValue and RefreshValue

Ignore-this: 31cd54600538ca43eb6fde9cf6c1e28b

darcs-hash:20091116123658-b22ec-065bd2887460a674e93573466ec390c7bc1562dd