Fix types.

src/context/Theme.tsx

@@ -148,7 +148,7 @@ function Theme(props: Props) {
     );
 }
 
-export default connectState(Theme, state => {
+export default connectState<{ children: Children }>(Theme, state => {
     return {
         options: state.settings.theme
     };

src/lib/debounce.ts

 export function debounce(cb: Function, duration: number) {
     // Store the timer variable.
-    let timer: number;
+    let timer: NodeJS.Timeout;
     // This function is given to React.
     return (...args: any[]) => {
         // Get rid of the old timer.