Improve search experience

[supermem613]

• Removing un-documented tokenization of search to plain word search (Fixes issues #78);
• Change "Searching..." to be at the top and obvious (Fixes issue #79);
• Remove confusing empty message while searching;
• Increase search max items to 250;
• Add actual error found during query to UX;

Here's the UX when searching with this PR:

Here's the UX when finding nothing from search with this PR: