Changes version 1.10-3 (Karline)
================================
 o rwork and iwrk in lsodes from Fortran -> C (to remove compiler warnings)
 o roots + events - now certain roots can stop simulation + fixed bug in radau root
 o improved events\roots help file
 o diagnostics(out) gave error in case method=iteration (no rstate) now fixed
 o the package authors agreed to assign the maintainer role to T.P.,
   but the order of authorship and credits remain unchanged.

Changes version 1.10-2 (Karline)
================================
 o remove NAs from forcing functions - when used in DLL (file forcings.R)
 o new argument "restructure" in ode.1D, for use with implicit solvers not in deSolve
 o removed requirement to have eventfunc in compiled code when func is in compiled code
 o subsetting on summary.deSolve
 
Changes version 1.10-1 (Thomas)
===============================
 o remove several redundant variables from C code
 o add NEWS file

Changes version 1.10 (Karline, Thomas)
======================================
 o compiled code using mass in daspk
 o cleanEventTimes

Changes version 1.9+ (Karline)
==============================
 o roots, events, lags in radau
 o roots in lsodes
 o lags in daspk
 o ode (method = "iteration")

Changes version 1.9 (Karline, Thomas)
=====================================
 o summary.deSolve
 o subset.deSolve
 o plotting deSolve objects improved:
   - plot more than one output in same figures (scenarios), 
   - add observations
 o vignette improved
 o fixed bug in 'timesteps'

Changes version 1.8.1 (Thomas, Woody, Karline)
==============================================
 o fixed compiler warnings using valgrind
 o fixed compiler warning C-code

Changes version 1.8 (Thomas)
============================
 o Dormand-Prince 8(7) coefficients use now common 
   instead of decimal fractions


Changes version 1.8 (Karline)
=============================
 o Runge-Kuttas:
   - extra output: number of failed steps (see also 2)
   - number of function evaluations + 1 for initial condition
   - dense output for cash-karp
   - dopri8(7) added
   - radau added!! implicit runge kutta, solves also DAE up to index 3!
 o other:
   - image function for ode.2-D added.
   - changed warning printing in FORTRAN code
   - common interface for radau and daspk:
     both can solve systems written as M*dy = f(x,y).
     daspk can also solve systems written as 0 = g(x,y,dy) (=default for daspk)