Better api generation

Things to consider:

• breaking changes (removed imports), so up minor version, because we are still not in 1.0

src/test/jastadd/relations/Relations.jrag

 import java.util.ArrayList;
+
+aspect NTA {
+
+  // E ::= ... /<NT1>/ ... ;
+  syn String E.getNT1() = "";
+
+  // E ::= ... /<NT2:String>/ ... ;
+  syn String E.getNT2() = "";
+
+  // E ::= ... /<NT3:boolean>/ ... ;
+  syn boolean E.getNT3() = false;
+
+  // E ::= ... /<NT4:int>/ ... ;
+  syn int E.getNT4() = 1;
+
+  // E ::= ... /<NT5:float>/ ... ;
+  syn float E.getNT5() = 1.0f;
+
+  // E ::= ... /<NT6:double>/ ... ;
+  syn double E.getNT6() = 1.0d;
+
+  // E ::= ... /<NT7:long>/ ... ;
+  syn long E.getNT7() = 1l;
+
+// there are not Opt-NTAs like /[NT8:A]/ /[A]/
+//  // E ::= ... /[NT8:A]/ ... ;
+//  syn Opt<A> E.getNT8() = new Opt<A>();
+//
+//  // E ::= ... /[A]/ ... ;
+//  syn Opt<A> E.getA() = new Opt<A>();
+
+  // E ::= ... /NT10:A*/ ... ;
+  syn List<A> E.getNT10List() = new List<A>();
+
+  // E ::= ... /B*/ ... ;
+  syn List<B> E.getBList() = new List<B>();
+
+}