Changes in Version 0.1-1
    o Added plot method related to plot.runjags().

    o Added argument jagextra for supplying extra code to JAGS.

    o Changes to summary():
      Improving look and operability with lavaan
      Posterior medians/modes now available

    o runjags slot in blavaan objects is moved to 
      @external$runjags.

    o fitMeasures() now includes BIC and loglik (at posterior means).

    o do.fit=FALSE now works, returns only JAGS syntax.

    o Random initial values less likely to fail.

    o Minor bug fixes related to equality constraints on variances +
      std.lv=T vs TRUE.
