Fixed a segfault in SqliteStmt.toHashMap and changed select_from exam…

…ple to utilize that method

examples/select_from.ooc

@@ -1,17 +1,17 @@
 use sqlite3
 import sqlite3/[Sqlite3, ResultCodes]
+import structs/HashMap
 
 main: func {
   db := Sqlite3 new("asd.db")
   stmt := db prepare("select * from stuff")
   stmt toString() println()
   res := stmt step()
   while(res==Sqlite3Code row){
-    stmt columnName(0) println()
-    stmt intColumn(0) toString() println()  
-    stmt columnName(1) println()
-    stmt intColumn(1) toString() println()
-
+    h := stmt toHashMap()
+    h get("asd") toInt() toString() println()
+    h get("zxc") toInt() toString() println()
+
     res = stmt step()
   }
   stmt finalize()

sqlite3/Sqlite3.ooc

@@ -1,4 +1,5 @@
 include sqlite3
+import structs/HashMap
 
 SqliteStruct: cover from sqlite3*
 SqliteStmtStruct: cover from sqlite3_stmt*
@@ -51,14 +52,14 @@ SqliteStmt: cover from SqliteStmtStruct {
   toString: extern(sqlite3_sql) func -> String
 
   toHashMap: func -> HashMap<SqliteValue>{
-    res := HashMap<SqliteValue> new
-    n := this columnCount()+1
-    for(i in 1..n){
+    map := HashMap<SqliteValue> new()
+    n := this columnCount()
+    for(i in 0..n){
       name := this columnName(i)
       val := this valueColumn(i)
-      res put(name, val)
+      map put(name, val)
     }
-    return res
+    return map
   }
 }