pEMU - v3.4

• pfba: add spectrum hardware roms filter
• pfba: fix spectrum roms not detected/handled correctly
• pfba: fix crash on some roms (Forgotten Worlds cps1, gaiapols...)
• pfba: remove now unnecessary force 50hz option
• pfba: update fba to latest git (2019-03-28)
• psnes: update to latest snes9x git (2019-03-28)
• psnes: fix save states loading
• psnes: use bigger font size for menus
• psnes: fix crash in some games (cool world...)
• psnes/pnes: fix uppercase roms not detected
• pemu: menu: add main/roms options delimiter
• pemu: menu: make options values wider, change selected option value color, set highlight size to selected value
• pemu: fix ui inputs changing with roms inputs change