# 4.1.7
 - IHSN SDC guidelines as vignette
 - cat. key variables returned as factors in extractManipData

# 4.1.6
 - show method for sdcMicroObj

# 4.1.5
 - pram bug fix
 
# 4.1.4
 - bug fix mafasts
 
# 4.1.1
 - only small bug fixes

# 4.1.0
 - new IHSN SDC Guidelines included
 - new implementation of freqCalc. Computation time is now linear with data size. 
   Gains a lot of speed for large data sets. 
 - localSuppression, measure_risk and createSdcJobj make use of new implementation of freqCalc
 - C++-Level glpk and R-Level Rglpk removed for better compatiblity with Mac
 - configure,cleanup removed and Makevars and Makevars.win rewritten according to Rcpp documentation
 - function microaggrGower added: microaggregation for numerical and categorical variables based on Gower distance
 - completely new report facility (knitr and brew instead of R2HTML), new class 'reportObj' which stores all info for
   reporting and is generate by calcReportData
 - new slot in class sdcObj for manipPramVars 
 
