Extend supported filters

[iluvadev]

Extend filters to support new PocketBase filters:

• ?= Any/At least one of Equal
• ?!= Any/At least one of NOT equal
• ?> Any/At least one of Greater than
• ?>= Any/At least one of Greater than or equal
• ?< Any/At least one of Less than or equal
• ?<= Any/At least one of Less than or equal
• ?~ Any/At least one of Like/Contains (if not specified auto wraps the right string OPERAND in a "%" for wildcard match)
• ?!~ Any/At least one of NOT Like/Contains (if not specified auto wraps the right string OPERAND in a "%" for wildcard match)