Null-terminate the string passed to sqlite_open_v2.
Optimization: get column length from SQLite when marshalling UTF-8 strings.
Add PCL facade.
Generate debug symbols.
Add nuspec.
Merge branch 'master' into xamarin

Conflicts:
	src/System.Data.SQLite/SQLiteConnection.cs
	src/System.Data.SQLite/SQLiteDataReader.cs
Fix SqliteStatementPreparer off-by-one error from merge.
Null-terminated the string passed to sqlite3_bind_parameter_index.