Add tasks for all the new languages

Task/Roman-numerals-Decode/Lasso/roman-numerals-decode.lasso

@@ -0,0 +1,23 @@
+define br => '\r'
+//decode roman
+define decodeRoman(roman::string)::integer => {
+	local(ref = array('M'=1000, 'CM'=900, 'D'=500, 'CD'=400, 'C'=100, 'XC'=90, 'L'=50, 'XL'=40, 'X'=10, 'IX'=9, 'V'=5, 'IV'=4, 'I'=1))
+	local(out = integer)
+	while(#roman->size) => {
+		// need to use neset while instead of query expr to utilize loop_abort
+		while(loop_count <= #ref->size) => {
+			if(#roman->beginswith(#ref->get(loop_count)->first)) => {
+				#out += #ref->get(loop_count)->second
+				#roman->remove(1,#ref->get(loop_count)->first->size)
+				loop_abort
+			}
+		}
+	}
+	return #out
+}
+
+'MCMXC as integer is '+decodeRoman('MCMXC')
+br
+'MMVIII as integer is '+decodeRoman('MMVIII')
+br
+'MDCLXVI as integer is '+decodeRoman('MDCLXVI')