created coherentstate! for inplace operations

[atombear]

closes #244

[coveralls]

Coverage increased (+3.3%) to 96.695% when pulling 994afcd on atombear:feature/coherent_state_inplace_naming into 07db21f on qojulia:master.

[codecov]

Codecov Report

Merging #245 into master will increase coverage by 3.28%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #245      +/-   ##
==========================================
+ Coverage    93.4%   96.69%   +3.28%     
==========================================
  Files          36       36              
  Lines        2973     2874      -99     
==========================================
+ Hits         2777     2779       +2     
+ Misses        196       95     -101

Impacted Files	Coverage Δ
src/QuantumOptics.jl	100% <ø> (ø)	⬆️
src/fock.jl	100% <100%> (ø)	⬆️
src/phasespace.jl	100% <100%> (+4.06%)	⬆️
src/operators_lazysum.jl	89.74% <0%> (-7.48%)	⬇️
src/operators_sparse.jl	85.54% <0%> (-2.12%)	⬇️
src/bases.jl	94.66% <0%> (-1.28%)	⬇️
src/manybody.jl	100% <0%> (+0.9%)	⬆️
src/operators_lazytensor.jl	100% <0%> (+1.12%)	⬆️
src/stochastic_schroedinger.jl	100% <0%> (+2.17%)	⬆️
src/superoperators.jl	80.85% <0%> (+2.5%)	⬆️
... and 16 more

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 07db21f...994afcd. Read the comment docs.

[codecov]

Codecov Report

Merging #245 into master will increase coverage by 3.28%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #245      +/-   ##
==========================================
+ Coverage    93.4%   96.69%   +3.28%     
==========================================
  Files          36       36              
  Lines        2973     2874      -99     
==========================================
+ Hits         2777     2779       +2     
+ Misses        196       95     -101

Impacted Files	Coverage Δ
src/QuantumOptics.jl	100% <ø> (ø)	⬆️
src/fock.jl	100% <100%> (ø)	⬆️
src/phasespace.jl	100% <100%> (+4.06%)	⬆️
src/operators_lazysum.jl	89.74% <0%> (-7.48%)	⬇️
src/operators_sparse.jl	85.54% <0%> (-2.12%)	⬇️
src/bases.jl	94.66% <0%> (-1.28%)	⬇️
src/manybody.jl	100% <0%> (+0.9%)	⬆️
src/operators_lazytensor.jl	100% <0%> (+1.12%)	⬆️
src/stochastic_schroedinger.jl	100% <0%> (+2.17%)	⬆️
src/superoperators.jl	80.85% <0%> (+2.5%)	⬆️
... and 16 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 07db21f...994afcd. Read the comment docs.