Added support for multiple namespaces and imports

resources/Rosetta/test-all.rosetta

@@ -0,0 +1,45 @@
+namespace test.all : <"Something">
+version "${version.ok}"
+
+import test.period.*
+
+type TestType:
+    testType int (1..1)
+
+type TestSomeType: <"description">
+    testSomeType int (1..1) <"A time period multiplier, e.g. 1, 2 or 3 etc. A negative value can be used when specifying an offset relative to another date, e.g. -2 days.">
+
+type TestZeroOneType extends Period:
+    testZeroOneType int (1..1)
+
+type ObservationPrimitive:
+    observationPrimitive int (1..1)
+
+func EquityPriceObservation: <"Function specification for the observation of an equity price, based on the attributes of the 'EquityValuation' class.">
+   inputs:
+      equity int (1..1)
+      valuationDate ObservationPrimitive (0..1)
+      valuationTime int (0..1)
+      timeType TestType (0..1)
+      determinationMethod ObservationPrimitive (1..1)
+   output:
+      observation ObservationPrimitive (0..1)
+
+   assign-output: if True and False then valuationDate
+
+func Something: <"asd">
+    inputs:
+      equity1 boolean (1..1)
+      valuationTime ObservationPrimitive (1..1)
+    output:
+      valuation ObservationPrimitive (0..*)
+
+    assign-output: if True and False then valuationTime
+
+func SomethingElse: <"dsa">
+    inputs:
+      valuationTime ObservationPrimitive (1..1)
+    output:
+      valuation ObservationPrimitive (0..1)
+
+    assign-output: if True and False then valuationTime