0.9.7
  - Fix for CRAN: do not use R CMD config CXXCPP

0.9.6
  - Fix some rchk warnings
  
0.9.5
  - allow sending of long vectors (#47)
  
0.9.4
  - Catching signals and interrupts when polling (Michael Schubert #46) 
  
0.9.3
  - Reuse messages in rzmq #39
  - Explicitly ignore SIGWINCH signal when waiting

0.9.2
  - Add XREQ, XREP socket types (Michael Schubert #32) 
  
0.9.1
  -  New maintainer: Jeroen Ooms	