Changes in version 1.2 (Sep 2019)
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	- "parameters" section in the configuration file was changed to "input_parameters"
	- Configuration file sections are checked for consistency
	- Output file names are changed from SNPs to vars. This is because they might contain INDELs too.
	- Merging of data sets are done with data.table method instead of merge() function.
	- Vignette is updated.
	- Added compatibility for older versions of R.
