deleted trailing spaces
test: fix store tests (now return 1)
Value: make check_fetched_value synchronous is all cases

even when a store is pending
Value: perform_compute calls the synchronous form of check_value
fix store test
Value: added trace around pending store block
Value fetch: decrement pending store counter before calling back user's cb
test: updated test script option
test empty value
Value: do not skip store if old value is undefined
deleted trailing spaces
fix store test
warped_node: set attribute before morphing the node
Value: updated comments
Node copy_from: added check argument
Warped_node set_properties: changed argugment of call to copy_from
FuseUI: use internal call to force store value ...

... during intermediate write to value: fs first clobber the original value
by reducing its length to 0 and then call write to appends buffers one by
one.
FuseUi: removed ineffective skip parameter