10/9/2019
Initial release

11/9/2019
Cleaned some files (i will do a more deep clean-up soon)

12/9/2019
echoes09a: removed a small black cube.
echoes23: fixed a bug that could cause crashes on linux servers.

15/9/2019
More file cleaning: removed some files and added others, more models and sounds are implemented.
Fixed text not showing properly on multiplayer.
echoes09a,echoes10: fixed some dead civilians models.
echoes12: the last garg sequence was improved.
echoes22: fixed the turrets looking like sentrys.
echoes23: fixed the osprey lights.

16/9/2019
echoes15: fixed a bug that in specific circustances can break the exit elevator.

21/9/2019
echoes24: fixed bug that could cause players respawning in a wrong area.

22/9/2019
general code cleaning: this result in improvement of performance.
echoes04: fixed the animation of the platform scientist. Now the map play the correct music.
echoes13: fixed the respawns.
echoes15: fixed elevator doors breaking when blocked.
echoes19: fixed bug that can cause the booth to blow up at a wrong time.
echoes20: fixed some animations.
echoes23: fixed some text.

24/9/2019
echoes12: fixed problems with respawns.

26/9/2019
echoes15: now when you enter the last elevator after a few seconds the map will change to the next one. This will help with the elevator button bug.
echoes24: changed the system that freezes players for the gman sequences. This will eliminate the "whirlwind" effect on players.

2/10/2019
fixed some entities/animations appearing/moving at wrong positions.
echoes07: fixed a ladder.
echoes10: restored the gman sequence.

12/10/2019
fixed a filename in the .res files.
added survival support.

1/5/2020
fixed the messed up global replacement files.
implemented a few more models and sounds.
made a clean up of extra files.
turned all sounds to .ogg format to reduce filesize.
modelguy was used to merge models with external files.
echoes9a: fixed missing music.
echoes19: fixed bug that allowed to start the military sequence at a wrong time.

13/5/2020
some entities were disappearing sometimes. Now this is fixed, hopefully.

15/5/2020
fixed some weapon models not showing properly and other minor stuff.

20/5/2020
implemented some more models and sounds.
fixed text colour.
fixed flyers animations.
echoes01: fixed the constrution guy animation.
echoes02: fixed otis apperance.
echoes05: fixed the black scientist animation.
echoes09b: fixed missing music.
echoes16: fixed the tram in the cinematic.
echoes23: made changes to match the echoes 1.4 version.

24/12/2020
echoes09a: fixed pushable box getting stuck with some bones.

1/11/2021
fixed some entities moving with a wrong offset due to changes on entities behavior.
eye scanners now work correctly.
added more models/sounds/sprites.
echoes17: fixed scientist and scanner wrong animations.
echoes24: fixed missing dead mossman. Fixed missing lights arround the ships nearby the borealis.
some minor improvements.
3/11/2021
echoes14b: fixed the animations around the soldiers.

2/1/2022
maps merged, reduced from 29 maps to 15.
the beams that activate the sentrys now are more accurate.
echoes-1: fixed sky texture.
echoes-3: fixed problem that could cause the garg to not appear.
echoes-6: fixed bug that may cause to block the path in the area where you are chased by the "friendly" npc.
echoes-7: fixed door not opening/closing correctly. Fixed garg stuck caused by bullsquids.

6/1/2022
fixed animations failing to play randomly on npc.

20/2/2022
echoes-8: fixed door crosing again after picking the crossbow again.
echoes-13: fixed tank rocket sound.
(thanks levi for bug reports).

28/2/2022
fixed some sounds reach.
echoes-0: fixed truck driver jittering.
echoes-1: fixed scientist playing wrong animation.
echoes-6: fixed red fading effect playing at a wrong time. Fixed initial loadout not being updated in the flooded area.
echoes-7: fixed elevators/lifts smashing issues.
(thanks levi again for the echoes event).