Add API_KHS endpoint.

Fix multiplying before double cast.

Add endpoint to response.

Fix API response function.

Fix var name.

Add KHS to API summary.
Merge pull request #59 from perryh/add_api_khs

Add API_KHS endpoint.
ui: Don't display pool list N times if N pools are set hidden in config.

Also, add some comments do #endif's.
misc: Update AUTHORS (add Perry Huang, reorder).
doc: Update BUGS.md to ask whether using precompiled binary.
kernel: add psw kernel.
kernel: make psw usable, reorder cases alphabetically.

Closes https://github.com/veox/sgminer/issues/30
doc: update KERNEL.md.
Adding definition for psw's kernel name.
Merge pull request #64 from bigchirv/patch-1

Adding definition for psw's kernel name.
Replace second ZUIKKIS_KERNNAME for PSW_KERNNAME

Build still broken:

sgminer.c: In function âwrite_configâ:
sgminer.c:4193: error: âPSW_KERNNAMEâ undeclared (first use in this function)
sgminer.c:4193: error: (Each undeclared identifier is reported only once
sgminer.c:4193: error: for each function it appears in.)
Merge pull request #69 from Oriumpor/patch-2

Replace second ZUIKKIS_KERNNAME for PSW_KERNNAME
help: temp-target and temp-overheat had identical descriptions that do not describe what they actually do.

Closes https://github.com/veox/sgminer/issues/65
Add descriptive adl errors