functions roxygen'ized
data + object + package docs now in roxygen format
only one dct function in package
rename to include docs suffix
masking @
added names
masking %
removed commented out code
more @ with @ masking
fixed document complaints
moved trackdata class doc
added export
more exports added
that should be the rest of the missing exports

check passes: * checking examples ... OK
added stubs for emu.track+emu.query
stub documentation added
imports added
added missing demo.vowel.f0/fm docs
fixed cross ref errors
added imports