scPDSI 0.1.3

• Main function pdsi() now can output Palmer hydrological drought index (PHDI) and weighted PDSI (WPLM).

scPDSI 0.1.2

• Fix the compiling error in solaris platform.

scPDSI 0.1.1

• Added a function plot.pdsi to plot the calculated PDSI time series, can be called directly using plot().