passing most tests
no dep on rhdfs
resolved all compiler warnings
don't use SEXPs, don't preallocate
redundant line
preallocation no more
passes on standalone

general clean up, preallocate smartly, always protect sexps directly or
indirectly, write more headers etc
expunged format sections remnants
a dependency slipped through the cracks
deal with the odd case of the starting template
empty data files are not 0 size in all formats
typo
keeping track of native r serialization
don't use r-serialization for raw
no special type code for templates
some additional mem info
use the right length def
slap one template at the end for the case of tiny splits
passed write.size to the wrong call
avoid deprecation warning