Changes in PropCIs 0.1-7

	# added correction term * nxy / (nxy - 1) to subfunction z2stat.R in diffscoreci.R
	  and *(nx+ny-1)/(nx+ny) to subfunction limit.R in orscoreci.R.
	  See:
	  Miettinen OS, Nurminen M. Comparative analysis of two rates.
	  Statistics in Medicine 1985;4:213-226.

	  Thanks to Tamas Ferenci.

		Changes in PropCIs 0.1-8

	# added htest output to various functions