mainly bug fixes:

40bb18f3 bug: fix hang on choosing player name

40cb6bef bug: faster rebuild by checking for correct executable name

fe6fc5cf bug: fix null ptr crash due to not checking thing_new

2c2c4516 bug: using wrong callback to check opengl fbo status

4a378276 bug: better config version verification

68816481 - bug: rocks were too tough to destroy

ec4e4e41 - bug: rocks could not be hit

4625f546 - bug: do not fall into chasm when warning window is present

efd0eeef - bug: popup warning when jumping into chams

0aa6949f - bug: skillstones exploding on falling is too mean