Merge pull request #19 from navinsubramani/Function_List

adding while loop, string operations and done few updates in Comparis…

Author: pranay001

example/Pranay-HPLap.solitontech.local/while.lsl

@@ -0,0 +1,6 @@
+a=toupper("Soliton")
+
+while(strlen(a)!=0)
+->print(substr(a,0,1))
+->a=substr(a,1,strlen(a)-1)
+->wait(1)