Gotta go fast update

[ada-af]

Added:

• User defined arguments for ffmpeg
• Ignore aliased tags by typing "ia:" before tag
• Scrolling through images using arrows will use tags in search bar

Changes:

• Minor code changes
• Faster searching of next and previous images
• Better SQL query generation (probably)
• Tags from search bar will now be used for selecting random image
• Using alias for exclusion won't work, not sure if that was useful

Removed:

• Legacy commented code
• webv3.py (replaced by DBooru_web.py)

Fixes:

• Sideways scrolling for small screens
• Parsing problems when trying to exclude tags that contain - character
• Proxy usage when searching for max page