Make linedef 96 apply to tags from 97-99, but not to itself

See merge request !1633

Fix enemy/boss/minecart explosions in death pits (Closes #67)

Closes #67

See merge request !1688

Allow changing the master server address while hosting a netgame

Closes #329

See merge request !1687

Give the inverted flashpal a constant

See merge request STJr/SRB2!1685

Don't count bots in playersforexit

See merge request !1684

Some hud fixes (by Confusion)

See merge request !1670

Don't award end-of-level bonuses to Tailsbot

See merge request !1676

Set a default botleader if we don't have one (resolves #717)

Closes #717

See merge request !1683

CR_PTERABYTE tweaks (Closes #304)

Closes #304

See merge request !1380

Take ramp sectors into account for pushables (closes #595)

Closes #595

See merge request STJr/SRB2!1540

Fix player disappearing when drowning in painstate (resolves #597)

Closes #597

See merge request !1667

Minor spike optimisations

See merge request STJr/SRB2!1669

Fix spike sandwich teleportation issue (resolves #693)

Closes #693

See merge request !1672

Include pmomz for mobjs in net savestates and load if it exists (Resolves #713)

Closes #713

See merge request STJr/SRB2!1675

Prevent Pyre Fly fire from warping up nearby ledges

See merge request !1681

arcsine Lua wrapper

See merge request STJr/SRB2!1554