Reduce the number of read operations.
Reduce the number of read operations.

Only the header of the package needs to be read separately (to obtain 
the size of the entire package). Removed the suunto_vyper_recv function.


andysan/libdivecomputer,henrik242/libdivecomputer,josh-wambua/libdivecomputer,Poltsi/libdivecomputer-vms,glance-/libdivecomputer,venkateshshukla/libdivecomputer,venkateshshukla/libdivecomputer,glance-/libdivecomputer,andysan/libdivecomputer,josh-wambua/libdivecomputer,henrik242/libdivecomputer